565564433 has 4 divisors (see below), whose sum is σ = 646359360. Its totient is φ = 484769508.

The previous prime is 565564429. The next prime is 565564453. The reversal of 565564433 is 334465565.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 565564433 - 2² = 565564429 is a prime.

It is a super-2 number, since 2×565564433² = 639726255749222978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (565564453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40397453 + ... + 40397466.

It is an arithmetic number, because the mean of its divisors is an integer number (161589840).

Almost surely, 2^565564433 is an apocalyptic number.

It is an amenable number.

565564433 is a deficient number, since it is larger than the sum of its proper divisors (80794927).

565564433 is an equidigital number, since it uses as much as digits as its factorization.

565564433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80794926.

The product of its digits is 648000, while the sum is 41.

The square root of 565564433 is about 23781.5986216234. The cubic root of 565564433 is about 826.9781404281.

The spelling of 565564433 in words is "five hundred sixty-five million, five hundred sixty-four thousand, four hundred thirty-three".