252013236 has 48 divisors (see below), whose sum is σ = 626875200. Its totient is φ = 78522880.

The previous prime is 252013217. The next prime is 252013241. The reversal of 252013236 is 632310252.

252013236 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-2 number, since 2×252013236² = 127021342238383392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26251 + ... + 34541.

It is an arithmetic number, because the mean of its divisors is an integer number (13059900).

Almost surely, 2^252013236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252013236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313437600).

252013236 is an abundant number, since it is smaller than the sum of its proper divisors (374861964).

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

252013236 is a wasteful number, since it uses less digits than its factorization.

252013236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8464 (or 8462 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 252013236 is about 15874.9247557272. The cubic root of 252013236 is about 631.6470182143.

Adding to 252013236 its reverse (632310252), we get a palindrome (884323488).

The spelling of 252013236 in words is "two hundred fifty-two million, thirteen thousand, two hundred thirty-six".