565530868325 has 12 divisors (see below), whose sum is σ = 725439597540. Its totient is φ = 436823842560.

The previous prime is 565530868321. The next prime is 565530868327. The reversal of 565530868325 is 523868035565.

It can be written as a sum of positive squares in 6 ways, for example, as 7931149249 + 557599719076 = 89057^2 + 746726^2 .

It is not a de Polignac number, because 565530868325 - 2² = 565530868321 is a prime.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565530868321) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 390020564 + ... + 390022013.

It is an arithmetic number, because the mean of its divisors is an integer number (60453299795).

Almost surely, 2^565530868325 is an apocalyptic number.

It is an amenable number.

565530868325 is a deficient number, since it is larger than the sum of its proper divisors (159908729215).

565530868325 is a wasteful number, since it uses less digits than its factorization.

565530868325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780042616 (or 780042611 counting only the distinct ones).

The product of its (nonzero) digits is 25920000, while the sum is 56.

The spelling of 565530868325 in words is "five hundred sixty-five billion, five hundred thirty million, eight hundred sixty-eight thousand, three hundred twenty-five".