25814625 has 64 divisors (see below), whose sum is σ = 46545408. Its totient is φ = 12672000.

The previous prime is 25814623. The next prime is 25814639. The reversal of 25814625 is 52641852.

It is not a de Polignac number, because 25814625 - 2¹ = 25814623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25814623) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 353589 + ... + 353661.

It is an arithmetic number, because the mean of its divisors is an integer number (727272).

Almost surely, 2^25814625 is an apocalyptic number.

25814625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25814625 is a deficient number, since it is larger than the sum of its proper divisors (20730783).

25814625 is a wasteful number, since it uses less digits than its factorization.

25814625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 145 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 25814625 is about 5080.8094827498. The cubic root of 25814625 is about 295.5438593171.

The spelling of 25814625 in words is "twenty-five million, eight hundred fourteen thousand, six hundred twenty-five".