565397504 has 48 divisors (see below), whose sum is σ = 1292054400. Its totient is φ = 242307072.

The previous prime is 565397501. The next prime is 565397513. The reversal of 565397504 is 405793565.

It is not an unprimeable number, because it can be changed into a prime (565397501) 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, 5384 + ... + 34055.

It is an arithmetic number, because the mean of its divisors is an integer number (26917800).

Almost surely, 2^565397504 is an apocalyptic number.

It is an amenable number.

565397504 is an abundant number, since it is smaller than the sum of its proper divisors (726656896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

565397504 is an equidigital number, since it uses as much as digits as its factorization.

565397504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39468 (or 39448 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 44.

The square root of 565397504 is about 23778.0887373229. The cubic root of 565397504 is about 826.8967702606.

The spelling of 565397504 in words is "five hundred sixty-five million, three hundred ninety-seven thousand, five hundred four".