252137304 has 24 divisors (see below), whose sum is σ = 682872060. Its totient is φ = 84045744.

The previous prime is 252137287. The next prime is 252137357. The reversal of 252137304 is 403731252.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1750882 + ... + 1751025.

Almost surely, 2^252137304 is an apocalyptic number.

252137304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

252137304 is an abundant number, since it is smaller than the sum of its proper divisors (430734756).

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

252137304 is a wasteful number, since it uses less digits than its factorization.

252137304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3501919 (or 3501912 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 252137304 is about 15878.8319469664. The cubic root of 252137304 is about 631.7506560586.

Adding to 252137304 its reverse (403731252), we get a palindrome (655868556).

The spelling of 252137304 in words is "two hundred fifty-two million, one hundred thirty-seven thousand, three hundred four".