25725208 has 8 divisors (see below), whose sum is σ = 48234780. Its totient is φ = 12862600.

The previous prime is 25725197. The next prime is 25725209. The reversal of 25725208 is 80252752.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 25725208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25725209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1607818 + ... + 1607833.

Almost surely, 2^25725208 is an apocalyptic number.

It is an amenable number.

25725208 is a deficient number, since it is larger than the sum of its proper divisors (22509572).

25725208 is a wasteful number, since it uses less digits than its factorization.

25725208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215657 (or 3215653 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 25725208 is about 5072.0023659300. The cubic root of 25725208 is about 295.2022284725.

The spelling of 25725208 in words is "twenty-five million, seven hundred twenty-five thousand, two hundred eight".