13002251173 has 2 divisors, whose sum is σ = 13002251174. Its totient is φ = 13002251172.

The previous prime is 13002251131. The next prime is 13002251177. The reversal of 13002251173 is 37115220031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9452117284 + 3550133889 = 97222^2 + 59583^2 .

It is an emirp because it is prime and its reverse (37115220031) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13002251173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13002251177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6501125586 + 6501125587.

It is an arithmetic number, because the mean of its divisors is an integer number (6501125587).

Almost surely, 2^13002251173 is an apocalyptic number.

It is an amenable number.

13002251173 is a deficient number, since it is larger than the sum of its proper divisors (1).

13002251173 is an equidigital number, since it uses as much as digits as its factorization.

13002251173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

The spelling of 13002251173 in words is "thirteen billion, two million, two hundred fifty-one thousand, one hundred seventy-three".