495108931 has 2 divisors, whose sum is σ = 495108932. Its totient is φ = 495108930.

The previous prime is 495108899. The next prime is 495108937. The reversal of 495108931 is 139801594.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 495108931 - 2⁵ = 495108899 is a prime.

It is a super-2 number, since 2×495108931² = 490265707111925522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (495108937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247554465 + 247554466.

It is an arithmetic number, because the mean of its divisors is an integer number (247554466).

Almost surely, 2^495108931 is an apocalyptic number.

495108931 is a deficient number, since it is larger than the sum of its proper divisors (1).

495108931 is an equidigital number, since it uses as much as digits as its factorization.

495108931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 495108931 is about 22251.0433687951. The cubic root of 495108931 is about 791.1040116432.

The spelling of 495108931 in words is "four hundred ninety-five million, one hundred eight thousand, nine hundred thirty-one".