25525628 has 6 divisors (see below), whose sum is σ = 44669856. Its totient is φ = 12762812.

The previous prime is 25525627. The next prime is 25525649. The reversal of 25525628 is 82652552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25525627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3190700 + ... + 3190707.

It is an arithmetic number, because the mean of its divisors is an integer number (7444976).

Almost surely, 2^25525628 is an apocalyptic number.

It is an amenable number.

25525628 is a deficient number, since it is larger than the sum of its proper divisors (19144228).

25525628 is a wasteful number, since it uses less digits than its factorization.

25525628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6381411 (or 6381409 counting only the distinct ones).

The product of its digits is 48000, while the sum is 35.

The square root of 25525628 is about 5052.2893820525. The cubic root of 25525628 is about 294.4368380720.

The spelling of 25525628 in words is "twenty-five million, five hundred twenty-five thousand, six hundred twenty-eight".