497664271 has 12 divisors (see below), whose sum is σ = 562325328. Its totient is φ = 439405824.

The previous prime is 497664263. The next prime is 497664281. The reversal of 497664271 is 172466794.

It is not a de Polignac number, because 497664271 - 2³ = 497664263 is a prime.

It is a super-2 number, since 2×497664271² = 495339453259922882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497664281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60130 + ... + 67903.

It is an arithmetic number, because the mean of its divisors is an integer number (46860444).

Almost surely, 2^497664271 is an apocalyptic number.

497664271 is a deficient number, since it is larger than the sum of its proper divisors (64661057).

497664271 is a wasteful number, since it uses less digits than its factorization.

497664271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128082 (or 128069 counting only the distinct ones).

The product of its digits is 508032, while the sum is 46.

The square root of 497664271 is about 22308.3901481035. The cubic root of 497664271 is about 792.4626835783.

The spelling of 497664271 in words is "four hundred ninety-seven million, six hundred sixty-four thousand, two hundred seventy-one".