25125387 has 12 divisors (see below), whose sum is σ = 38970216. Its totient is φ = 14357280.

The previous prime is 25125383. The next prime is 25125427. The reversal of 25125387 is 78352152.

It is not a de Polignac number, because 25125387 - 2² = 25125383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25125383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85314 + ... + 85607.

It is an arithmetic number, because the mean of its divisors is an integer number (3247518).

Almost surely, 2^25125387 is an apocalyptic number.

25125387 is a deficient number, since it is larger than the sum of its proper divisors (13844829).

25125387 is a wasteful number, since it uses less digits than its factorization.

25125387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170938 (or 170931 counting only the distinct ones).

The product of its digits is 16800, while the sum is 33.

The square root of 25125387 is about 5012.5230174035. The cubic root of 25125387 is about 292.8898039095.

The spelling of 25125387 in words is "twenty-five million, one hundred twenty-five thousand, three hundred eighty-seven".