25885625 has 20 divisors (see below), whose sum is σ = 32802000. Its totient is φ = 20418000.

The previous prime is 25885609. The next prime is 25885627. The reversal of 25885625 is 52658852.

It is not a de Polignac number, because 25885625 - 2⁴ = 25885609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25885627) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 51626 + ... + 52124.

It is an arithmetic number, because the mean of its divisors is an integer number (1640100).

Almost surely, 2^25885625 is an apocalyptic number.

25885625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25885625 is a deficient number, since it is larger than the sum of its proper divisors (6916375).

25885625 is an frugal number, since it uses more digits than its factorization.

25885625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602 (or 587 counting only the distinct ones).

The product of its digits is 192000, while the sum is 41.

The square root of 25885625 is about 5087.7917606757. The cubic root of 25885625 is about 295.8145638205.

The spelling of 25885625 in words is "twenty-five million, eight hundred eighty-five thousand, six hundred twenty-five".