13253015257 has 2 divisors, whose sum is σ = 13253015258. Its totient is φ = 13253015256.

The previous prime is 13253015213. The next prime is 13253015309. The reversal of 13253015257 is 75251035231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13248930816 + 4084441 = 115104^2 + 2021^2 .

It is a cyclic number.

It is not a de Polignac number, because 13253015257 - 2¹⁵ = 13252982489 is a prime.

It is not a weakly prime, because it can be changed into another prime (13253015557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6626507628 + 6626507629.

It is an arithmetic number, because the mean of its divisors is an integer number (6626507629).

Almost surely, 2^13253015257 is an apocalyptic number.

It is an amenable number.

13253015257 is a deficient number, since it is larger than the sum of its proper divisors (1).

13253015257 is an equidigital number, since it uses as much as digits as its factorization.

13253015257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31500, while the sum is 34.

The spelling of 13253015257 in words is "thirteen billion, two hundred fifty-three million, fifteen thousand, two hundred fifty-seven".