497568266 has 8 divisors (see below), whose sum is σ = 803764164. Its totient is φ = 229646880.

The previous prime is 497568263. The next prime is 497568271. The reversal of 497568266 is 662865794.

It can be written as a sum of positive squares in 2 ways, for example, as 480881041 + 16687225 = 21929^2 + 4085^2 .

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

It is not an unprimeable number, because it can be changed into a prime (497568263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9568595 + ... + 9568646.

Almost surely, 2^497568266 is an apocalyptic number.

497568266 is a deficient number, since it is larger than the sum of its proper divisors (306195898).

497568266 is a wasteful number, since it uses less digits than its factorization.

497568266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19137256.

The product of its digits is 4354560, while the sum is 53.

The square root of 497568266 is about 22306.2382754242. The cubic root of 497568266 is about 792.4117219983.

The spelling of 497568266 in words is "four hundred ninety-seven million, five hundred sixty-eight thousand, two hundred sixty-six".