25670528 has 32 divisors (see below), whose sum is σ = 55077960. Its totient is φ = 11847168.

The previous prime is 25670509. The next prime is 25670531. The reversal of 25670528 is 82507652.

It is a tau number, because it is divible by the number of its divisors (32).

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, 6050 + ... + 9377.

Almost surely, 2^25670528 is an apocalyptic number.

It is an amenable number.

25670528 is an abundant number, since it is smaller than the sum of its proper divisors (29407432).

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

25670528 is a wasteful number, since it uses less digits than its factorization.

25670528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15454 (or 15442 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 25670528 is about 5066.6091224802. The cubic root of 25670528 is about 294.9929252349.

The spelling of 25670528 in words is "twenty-five million, six hundred seventy thousand, five hundred twenty-eight".