565520525 has 12 divisors (see below), whose sum is σ = 701559264. Its totient is φ = 452214000.

The previous prime is 565520491. The next prime is 565520531. The reversal of 565520525 is 525025565.

It is not a de Polignac number, because 565520525 - 2²⁰ = 564471949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 79880 + ... + 86670.

It is an arithmetic number, because the mean of its divisors is an integer number (58463272).

Almost surely, 2^565520525 is an apocalyptic number.

It is an amenable number.

565520525 is a deficient number, since it is larger than the sum of its proper divisors (136038739).

565520525 is a wasteful number, since it uses less digits than its factorization.

565520525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10132 (or 10127 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 35.

The square root of 565520525 is about 23780.6754529807. The cubic root of 565520525 is about 826.9567388607.

The spelling of 565520525 in words is "five hundred sixty-five million, five hundred twenty thousand, five hundred twenty-five".