25904868 has 36 divisors (see below), whose sum is σ = 66088848. Its totient is φ = 7832240.

The previous prime is 25904867. The next prime is 25904869. The reversal of 25904868 is 86840952.

It is an interprime number because it is at equal distance from previous prime (25904867) and next prime (25904869).

It is not an unprimeable number, because it can be changed into a prime (25904861) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58255 + ... + 58697.

Almost surely, 2^25904868 is an apocalyptic number.

It is an amenable number.

25904868 is an abundant number, since it is smaller than the sum of its proper divisors (40183980).

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

25904868 is a wasteful number, since it uses less digits than its factorization.

25904868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 25904868 is about 5089.6825048327. The cubic root of 25904868 is about 295.8878470900.

The spelling of 25904868 in words is "twenty-five million, nine hundred four thousand, eight hundred sixty-eight".