497489931 has 20 divisors (see below), whose sum is σ = 775478352. Its totient is φ = 317238768.

The previous prime is 497489929. The next prime is 497489933. The reversal of 497489931 is 139984794.

It is an interprime number because it is at equal distance from previous prime (497489929) and next prime (497489933).

It is not a de Polignac number, because 497489931 - 2¹ = 497489929 is a prime.

It is a super-2 number, since 2×497489931² = 494992462892769522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (497489933) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 131656 + ... + 135381.

Almost surely, 2^497489931 is an apocalyptic number.

497489931 is a deficient number, since it is larger than the sum of its proper divisors (277988421).

497489931 is a wasteful number, since it uses less digits than its factorization.

497489931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267072 (or 267063 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 497489931 is about 22304.4823073749. The cubic root of 497489931 is about 792.3701351888.

The spelling of 497489931 in words is "four hundred ninety-seven million, four hundred eighty-nine thousand, nine hundred thirty-one".