253522500013 has 6 divisors (see below), whose sum is σ = 255914024366. Its totient is φ = 251153119512.

The previous prime is 253522500001. The next prime is 253522500059. The reversal of 253522500013 is 310005225352.

It can be written as a sum of positive squares in only one way, i.e., 239006587689 + 14515912324 = 488883^2 + 120482^2 .

It is not a de Polignac number, because 253522500013 - 2⁵ = 253522499981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253522500083) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11060370 + ... + 11083267.

Almost surely, 2^253522500013 is an apocalyptic number.

It is an amenable number.

253522500013 is a deficient number, since it is larger than the sum of its proper divisors (2391524353).

253522500013 is an equidigital number, since it uses as much as digits as its factorization.

253522500013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22143851 (or 22143744 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

Adding to 253522500013 its reverse (310005225352), we get a palindrome (563527725365).

The spelling of 253522500013 in words is "two hundred fifty-three billion, five hundred twenty-two million, five hundred thousand, thirteen".