252451564 has 12 divisors (see below), whose sum is σ = 467778024. Its totient is φ = 118800704.

The previous prime is 252451559. The next prime is 252451567. The reversal of 252451564 is 465154252.

252451564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (252451567) 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, 1856194 + ... + 1856329.

It is an arithmetic number, because the mean of its divisors is an integer number (38981502).

Almost surely, 2^252451564 is an apocalyptic number.

It is an amenable number.

252451564 is a deficient number, since it is larger than the sum of its proper divisors (215326460).

252451564 is a wasteful number, since it uses less digits than its factorization.

252451564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712544 (or 3712542 counting only the distinct ones).

The product of its digits is 48000, while the sum is 34.

The square root of 252451564 is about 15888.7244296073. The cubic root of 252451564 is about 632.0130151408.

The spelling of 252451564 in words is "two hundred fifty-two million, four hundred fifty-one thousand, five hundred sixty-four".