25134256252 has 24 divisors (see below), whose sum is σ = 50334611040. Its totient is φ = 10757660160.

The previous prime is 25134256247. The next prime is 25134256261. The reversal of 25134256252 is 25265243152.

It is a congruent number.

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, 568477 + ... + 611092.

It is an arithmetic number, because the mean of its divisors is an integer number (2097275460).

Almost surely, 2^25134256252 is an apocalyptic number.

It is an amenable number.

25134256252 is an abundant number, since it is smaller than the sum of its proper divisors (25200354788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25134256252 is a wasteful number, since it uses less digits than its factorization.

25134256252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180341 (or 1180339 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

The spelling of 25134256252 in words is "twenty-five billion, one hundred thirty-four million, two hundred fifty-six thousand, two hundred fifty-two".