252539444 has 12 divisors (see below), whose sum is σ = 442557024. Its totient is φ = 126094584.

The previous prime is 252539401. The next prime is 252539447. The reversal of 252539444 is 444935252.

252539444 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 3×252539444³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 252539398 and 252539407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252539447) 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, 40514 + ... + 46329.

It is an arithmetic number, because the mean of its divisors is an integer number (36879752).

Almost surely, 2^252539444 is an apocalyptic number.

It is an amenable number.

252539444 is a deficient number, since it is larger than the sum of its proper divisors (190017580).

252539444 is a wasteful number, since it uses less digits than its factorization.

252539444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87574 (or 87572 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

The square root of 252539444 is about 15891.4896721484. The cubic root of 252539444 is about 632.0863425538.

The spelling of 252539444 in words is "two hundred fifty-two million, five hundred thirty-nine thousand, four hundred forty-four".