25650528 has 24 divisors (see below), whose sum is σ = 67332888. Its totient is φ = 8550144.

The previous prime is 25650517. The next prime is 25650533. The reversal of 25650528 is 82505652.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133501 + ... + 133692.

It is an arithmetic number, because the mean of its divisors is an integer number (2805537).

Almost surely, 2^25650528 is an apocalyptic number.

It is an amenable number.

25650528 is an abundant number, since it is smaller than the sum of its proper divisors (41682360).

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

25650528 is a wasteful number, since it uses less digits than its factorization.

25650528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267206 (or 267198 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 25650528 is about 5064.6350312732. The cubic root of 25650528 is about 294.9162953169.

The spelling of 25650528 in words is "twenty-five million, six hundred fifty thousand, five hundred twenty-eight".