565564345 has 16 divisors (see below), whose sum is σ = 691815168. Its totient is φ = 443759680.

The previous prime is 565564339. The next prime is 565564357. The reversal of 565564345 is 543465565.

It is not a de Polignac number, because 565564345 - 2¹¹ = 565562297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 65892 + ... + 73978.

It is an arithmetic number, because the mean of its divisors is an integer number (43238448).

Almost surely, 2^565564345 is an apocalyptic number.

It is an amenable number.

565564345 is a deficient number, since it is larger than the sum of its proper divisors (126250823).

565564345 is a wasteful number, since it uses less digits than its factorization.

565564345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8360.

The product of its digits is 1080000, while the sum is 43.

The square root of 565564345 is about 23781.5967714533. The cubic root of 565564345 is about 826.9780975364.

The spelling of 565564345 in words is "five hundred sixty-five million, five hundred sixty-four thousand, three hundred forty-five".