25286625 has 144 divisors (see below), whose sum is σ = 59379840. Its totient is φ = 10108800.

The previous prime is 25286617. The next prime is 25286693. The reversal of 25286625 is 52668252.

25286625 is a `hidden beast` number, since 2 + 5 + 28 + 6 + 625 = 666.

It is not a de Polignac number, because 25286625 - 2³ = 25286617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25286625.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1330866 + ... + 1330884.

It is an arithmetic number, because the mean of its divisors is an integer number (412360).

Almost surely, 2^25286625 is an apocalyptic number.

25286625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25286625 is an abundant number, since it is smaller than the sum of its proper divisors (34093215).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25286625 is a wasteful number, since it uses less digits than its factorization.

25286625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73 (or 47 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 25286625 is about 5028.5808137088. The cubic root of 25286625 is about 293.5149923608.

The spelling of 25286625 in words is "twenty-five million, two hundred eighty-six thousand, six hundred twenty-five".