252013331 has 4 divisors (see below), whose sum is σ = 255774792. Its totient is φ = 248251872.

The previous prime is 252013319. The next prime is 252013337. The reversal of 252013331 is 133310252.

252013331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252013331 is a prime.

It is a super-2 number, since 2×252013331² = 127021438003431122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252013337) 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, 1880630 + ... + 1880763.

It is an arithmetic number, because the mean of its divisors is an integer number (63943698).

Almost surely, 2^252013331 is an apocalyptic number.

252013331 is a deficient number, since it is larger than the sum of its proper divisors (3761461).

252013331 is an equidigital number, since it uses as much as digits as its factorization.

252013331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3761460.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 252013331 is about 15874.9277478671. The cubic root of 252013331 is about 631.6470975838.

Adding to 252013331 its reverse (133310252), we get a palindrome (385323583).

It can be divided in two parts, 2520 and 13331, that added together give a palindrome (15851).

The spelling of 252013331 in words is "two hundred fifty-two million, thirteen thousand, three hundred thirty-one".