565438252 has 12 divisors (see below), whose sum is σ = 1041596920. Its totient is φ = 267839136.

The previous prime is 565438243. The next prime is 565438253. The reversal of 565438252 is 252834565.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (565438253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3719913 + ... + 3720064.

Almost surely, 2^565438252 is an apocalyptic number.

It is an amenable number.

565438252 is a deficient number, since it is larger than the sum of its proper divisors (476158668).

565438252 is a wasteful number, since it uses less digits than its factorization.

565438252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7440000 (or 7439998 counting only the distinct ones).

The product of its digits is 288000, while the sum is 40.

The square root of 565438252 is about 23778.9455611472. The cubic root of 565438252 is about 826.9166345035.

The spelling of 565438252 in words is "five hundred sixty-five million, four hundred thirty-eight thousand, two hundred fifty-two".