565352520 has 64 divisors (see below), whose sum is σ = 1700352000. Its totient is φ = 150379008.

The previous prime is 565352507. The next prime is 565352531. The reversal of 565352520 is 25253565.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43321 + ... + 54839.

It is an arithmetic number, because the mean of its divisors is an integer number (26568000).

Almost surely, 2^565352520 is an apocalyptic number.

It is an amenable number.

565352520 is an abundant number, since it is smaller than the sum of its proper divisors (1134999480).

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

565352520 is a wasteful number, since it uses less digits than its factorization.

565352520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11942 (or 11938 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 33.

The square root of 565352520 is about 23777.1428056442. The cubic root of 565352520 is about 826.8748399015.

The spelling of 565352520 in words is "five hundred sixty-five million, three hundred fifty-two thousand, five hundred twenty".