252565644 has 24 divisors (see below), whose sum is σ = 594729520. Its totient is φ = 83415744.

The previous prime is 252565637. The next prime is 252565657. The reversal of 252565644 is 446565252.

252565644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×252565644³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95239 + ... + 97854.

Almost surely, 2^252565644 is an apocalyptic number.

It is an amenable number.

252565644 is an abundant number, since it is smaller than the sum of its proper divisors (342163876).

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

252565644 is a wasteful number, since it uses less digits than its factorization.

252565644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193209 (or 193207 counting only the distinct ones).

The product of its digits is 288000, while the sum is 39.

The square root of 252565644 is about 15892.3139913607. The cubic root of 252565644 is about 632.1082006435.

The spelling of 252565644 in words is "two hundred fifty-two million, five hundred sixty-five thousand, six hundred forty-four".