25259438325 has 48 divisors (see below), whose sum is σ = 45606652416. Its totient is φ = 12234148800.

The previous prime is 25259438297. The next prime is 25259438341. The reversal of 25259438325 is 52383495252.

It is a de Polignac number, because none of the positive numbers 2^k-25259438325 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 795402 + ... + 826548.

It is an arithmetic number, because the mean of its divisors is an integer number (950138592).

Almost surely, 2^25259438325 is an apocalyptic number.

25259438325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25259438325 is a deficient number, since it is larger than the sum of its proper divisors (20347214091).

25259438325 is a wasteful number, since it uses less digits than its factorization.

25259438325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32154 (or 32149 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 48.

The spelling of 25259438325 in words is "twenty-five billion, two hundred fifty-nine million, four hundred thirty-eight thousand, three hundred twenty-five".