252613013 has 8 divisors (see below), whose sum is σ = 273997080. Its totient is φ = 231953920.

The previous prime is 252613001. The next prime is 252613021. The reversal of 252613013 is 310316252.

252613013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 90763729 + 161849284 = 9527^2 + 12722^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252613013 - 2²⁶ = 185504149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252613013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252613063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180518 + ... + 181911.

It is an arithmetic number, because the mean of its divisors is an integer number (34249635).

Almost surely, 2^252613013 is an apocalyptic number.

It is an amenable number.

252613013 is a deficient number, since it is larger than the sum of its proper divisors (21384067).

252613013 is a wasteful number, since it uses less digits than its factorization.

252613013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362487.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 252613013 is about 15893.8042330966. The cubic root of 252613013 is about 632.1477157325.

Adding to 252613013 its reverse (310316252), we get a palindrome (562929265).

The spelling of 252613013 in words is "two hundred fifty-two million, six hundred thirteen thousand, thirteen".