25172253002 has 16 divisors (see below), whose sum is σ = 40673338272. Its totient is φ = 11614972080.

The previous prime is 25172252953. The next prime is 25172253017. The reversal of 25172253002 is 20035227152.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20024 + ... + 225267.

It is an arithmetic number, because the mean of its divisors is an integer number (2542083642).

Almost surely, 2^25172253002 is an apocalyptic number.

25172253002 is a deficient number, since it is larger than the sum of its proper divisors (15501085270).

25172253002 is a wasteful number, since it uses less digits than its factorization.

25172253002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249253.

The product of its (nonzero) digits is 8400, while the sum is 29.

The spelling of 25172253002 in words is "twenty-five billion, one hundred seventy-two million, two hundred fifty-three thousand, two".