25801896 has 16 divisors (see below), whose sum is σ = 64504800. Its totient is φ = 8600624.

The previous prime is 25801877. The next prime is 25801907. The reversal of 25801896 is 69810852.

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, 537516 + ... + 537563.

It is an arithmetic number, because the mean of its divisors is an integer number (4031550).

Almost surely, 2^25801896 is an apocalyptic number.

It is an amenable number.

25801896 is an abundant number, since it is smaller than the sum of its proper divisors (38702904).

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

25801896 is a wasteful number, since it uses less digits than its factorization.

25801896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075088 (or 1075084 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 25801896 is about 5079.5566735691. The cubic root of 25801896 is about 295.4952745028.

The spelling of 25801896 in words is "twenty-five million, eight hundred one thousand, eight hundred ninety-six".