13041500257 has 2 divisors, whose sum is σ = 13041500258. Its totient is φ = 13041500256.

The previous prime is 13041500239. The next prime is 13041500327. The reversal of 13041500257 is 75200514031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11433811041 + 1607689216 = 106929^2 + 40096^2 .

It is a cyclic number.

It is not a de Polignac number, because 13041500257 - 2²³ = 13033111649 is a prime.

It is not a weakly prime, because it can be changed into another prime (13041500657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6520750128 + 6520750129.

It is an arithmetic number, because the mean of its divisors is an integer number (6520750129).

Almost surely, 2^13041500257 is an apocalyptic number.

It is an amenable number.

13041500257 is a deficient number, since it is larger than the sum of its proper divisors (1).

13041500257 is an equidigital number, since it uses as much as digits as its factorization.

13041500257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 28.

The spelling of 13041500257 in words is "thirteen billion, forty-one million, five hundred thousand, two hundred fifty-seven".