25102354252 has 24 divisors (see below), whose sum is σ = 44483670000. Its totient is φ = 12393521856.

The previous prime is 25102354247. The next prime is 25102354271. The reversal of 25102354252 is 25245320152.

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, 29499 + ... + 225997.

It is an arithmetic number, because the mean of its divisors is an integer number (1853486250).

Almost surely, 2^25102354252 is an apocalyptic number.

It is an amenable number.

25102354252 is a deficient number, since it is larger than the sum of its proper divisors (19381315748).

25102354252 is a wasteful number, since it uses less digits than its factorization.

25102354252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196905 (or 196903 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 25102354252 in words is "twenty-five billion, one hundred two million, three hundred fifty-four thousand, two hundred fifty-two".