497118931 has 8 divisors (see below), whose sum is σ = 501758928. Its totient is φ = 492492000.

The previous prime is 497118929. The next prime is 497118961. The reversal of 497118931 is 139811794.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 497118931 - 2¹ = 497118929 is a prime.

It is a super-2 number, since 2×497118931² = 494254463117165522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497118911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83721 + ... + 89461.

It is an arithmetic number, because the mean of its divisors is an integer number (62719866).

Almost surely, 2^497118931 is an apocalyptic number.

497118931 is a deficient number, since it is larger than the sum of its proper divisors (4639997).

497118931 is a wasteful number, since it uses less digits than its factorization.

497118931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6533.

The product of its digits is 54432, while the sum is 43.

The square root of 497118931 is about 22296.1640422742. The cubic root of 497118931 is about 792.1731178507.

The spelling of 497118931 in words is "four hundred ninety-seven million, one hundred eighteen thousand, nine hundred thirty-one".