565807972 has 6 divisors (see below), whose sum is σ = 990163958. Its totient is φ = 282903984.

The previous prime is 565807967. The next prime is 565807993. The reversal of 565807972 is 279708565.

It can be written as a sum of positive squares in only one way, i.e., 565298176 + 509796 = 23776^2 + 714^2 .

It is a super-2 number, since 2×565807972² = 640277322357505568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70725993 + ... + 70726000.

Almost surely, 2^565807972 is an apocalyptic number.

It is an amenable number.

565807972 is a deficient number, since it is larger than the sum of its proper divisors (424355986).

565807972 is a wasteful number, since it uses less digits than its factorization.

565807972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141451997 (or 141451995 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 49.

The square root of 565807972 is about 23786.7183949363. The cubic root of 565807972 is about 827.0968257130.

The spelling of 565807972 in words is "five hundred sixty-five million, eight hundred seven thousand, nine hundred seventy-two".