25134025250 has 32 divisors (see below), whose sum is σ = 47063433456. Its totient is φ = 10050931200.

The previous prime is 25134025247. The next prime is 25134025337. The reversal of 25134025250 is 5252043152.

It can be written as a sum of positive squares in 8 ways, for example, as 8922169 + 25125103081 = 2987^2 + 158509^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1117112 + ... + 1139388.

Almost surely, 2^25134025250 is an apocalyptic number.

25134025250 is a deficient number, since it is larger than the sum of its proper divisors (21929408206).

25134025250 is a wasteful number, since it uses less digits than its factorization.

25134025250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26807 (or 26797 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 25134025250 in words is "twenty-five billion, one hundred thirty-four million, twenty-five thousand, two hundred fifty".