252653232613 has 2 divisors, whose sum is σ = 252653232614. Its totient is φ = 252653232612.

The previous prime is 252653232607. The next prime is 252653232707. The reversal of 252653232613 is 316232356252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199878738084 + 52774494529 = 447078^2 + 229727^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252653232613 is a prime.

It is a super-3 number, since 3×252653232613³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252653232913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126326616306 + 126326616307.

It is an arithmetic number, because the mean of its divisors is an integer number (126326616307).

Almost surely, 2^252653232613 is an apocalyptic number.

It is an amenable number.

252653232613 is a deficient number, since it is larger than the sum of its proper divisors (1).

252653232613 is an equidigital number, since it uses as much as digits as its factorization.

252653232613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 40.

Adding to 252653232613 its reverse (316232356252), we get a palindrome (568885588865).

The spelling of 252653232613 in words is "two hundred fifty-two billion, six hundred fifty-three million, two hundred thirty-two thousand, six hundred thirteen".