252444252 has 12 divisors (see below), whose sum is σ = 589036616. Its totient is φ = 84148080.

The previous prime is 252444233. The next prime is 252444259.

252444252 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252444259) 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, 10518499 + ... + 10518522.

Almost surely, 2^252444252 is an apocalyptic number.

It is an amenable number.

252444252 is an abundant number, since it is smaller than the sum of its proper divisors (336592364).

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

252444252 is a wasteful number, since it uses less digits than its factorization.

252444252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21037028 (or 21037026 counting only the distinct ones).

The product of its digits is 25600, while the sum is 30.

The square root of 252444252 is about 15888.4943276574. The cubic root of 252444252 is about 632.0069132128.

The spelling of 252444252 in words is "two hundred fifty-two million, four hundred forty-four thousand, two hundred fifty-two".