252251544 has 32 divisors (see below), whose sum is σ = 631491120. Its totient is φ = 83968896.

The previous prime is 252251521. The next prime is 252251551. The reversal of 252251544 is 445152252.

It is a congruent number.

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, 11754 + ... + 25350.

Almost surely, 2^252251544 is an apocalyptic number.

252251544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

252251544 is an abundant number, since it is smaller than the sum of its proper divisors (379239576).

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

252251544 is a wasteful number, since it uses less digits than its factorization.

252251544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14379 (or 14375 counting only the distinct ones).

The product of its digits is 16000, while the sum is 30.

The square root of 252251544 is about 15882.4287815183. The cubic root of 252251544 is about 631.8460542095.

The spelling of 252251544 in words is "two hundred fifty-two million, two hundred fifty-one thousand, five hundred forty-four".