565253264 has 40 divisors (see below), whose sum is σ = 1164925440. Its totient is φ = 264780288.

The previous prime is 565253263. The next prime is 565253279. The reversal of 565253264 is 462352565.

It is a super-2 number, since 2×565253264² = 639022504925307392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (565253261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55997 + ... + 65315.

It is an arithmetic number, because the mean of its divisors is an integer number (29123136).

Almost surely, 2^565253264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 565253264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (582462720).

565253264 is an abundant number, since it is smaller than the sum of its proper divisors (599672176).

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

565253264 is a wasteful number, since it uses less digits than its factorization.

565253264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9567 (or 9561 counting only the distinct ones).

The product of its digits is 216000, while the sum is 38.

The square root of 565253264 is about 23775.0554994095. The cubic root of 565253264 is about 826.8264470318.

The spelling of 565253264 in words is "five hundred sixty-five million, two hundred fifty-three thousand, two hundred sixty-four".