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499 is a prime number

499 has 2 divisors, whose sum is σ = 500. Its totient is φ = 498.

The previous prime is 491. The next prime is 503. The reversal of 499 is 994.

It can be divided in two parts, 49 and 9, that multiplied together give a square (441 = 212).

499 is nontrivially palindromic in base 11.


It is a strong prime.

It is a cyclic number.

It is a trimorphic number since its cube, 124251499, ends in 499.

It is not a de Polignac number, because 499 - 23 = 491 is a prime.

It is a Chen prime.

499 is an undulating number in base 11.

499 is a modest number, since divided by 99 gives 4 as remainder.

It is a plaindrome in base 5, base 10, base 12, base 14 and base 15.

It is a nialpdrome in base 8.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (491) by changing a digit.


It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249 + 250.

It is an arithmetic number, because the mean of its divisors is an integer number (250).

2499 is an apocalyptic number.


499 is an equidigital number, since it uses as much as digits as its factorization.

499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324, while the sum is 22.

The square root of 499 is about 22.3383079037. The cubic root of 499 is about 7.9317103915.

The spelling of 499 in words is "four hundred ninety-nine", and thus it is an aban number.