25525604 has 12 divisors (see below), whose sum is σ = 48106044. Its totient is φ = 11781024.

The previous prime is 25525589. The next prime is 25525609. The reversal of 25525604 is 40652552.

It can be written as a sum of positive squares in 2 ways, for example, as 3247204 + 22278400 = 1802^2 + 4720^2 .

It is not an unprimeable number, because it can be changed into a prime (25525609) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 245387 + ... + 245490.

It is an arithmetic number, because the mean of its divisors is an integer number (4008837).

Almost surely, 2^25525604 is an apocalyptic number.

It is an amenable number.

25525604 is a deficient number, since it is larger than the sum of its proper divisors (22580440).

25525604 is a wasteful number, since it uses less digits than its factorization.

25525604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490894 (or 490892 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 25525604 is about 5052.2870068910. The cubic root of 25525604 is about 294.4367457924.

The spelling of 25525604 in words is "twenty-five million, five hundred twenty-five thousand, six hundred four".