25187879325 has 24 divisors (see below), whose sum is σ = 47593098688. Its totient is φ = 11514458880.

The previous prime is 25187879317. The next prime is 25187879333. The reversal of 25187879325 is 52397878152.

It is an interprime number because it is at equal distance from previous prime (25187879317) and next prime (25187879333).

It is not a de Polignac number, because 25187879325 - 2³ = 25187879317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23987932 + ... + 23988981.

Almost surely, 2^25187879325 is an apocalyptic number.

25187879325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25187879325 is a deficient number, since it is larger than the sum of its proper divisors (22405219363).

25187879325 is a wasteful number, since it uses less digits than its factorization.

25187879325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47976933 (or 47976928 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 57.

The spelling of 25187879325 in words is "twenty-five billion, one hundred eighty-seven million, eight hundred seventy-nine thousand, three hundred twenty-five".