25941664 has 24 divisors (see below), whose sum is σ = 58369248. Its totient is φ = 11117760.

The previous prime is 25941659. The next prime is 25941667. The reversal of 25941664 is 46614952.

It is not an unprimeable number, because it can be changed into a prime (25941667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57682 + ... + 58129.

It is an arithmetic number, because the mean of its divisors is an integer number (2432052).

Almost surely, 2^25941664 is an apocalyptic number.

It is an amenable number.

25941664 is an abundant number, since it is smaller than the sum of its proper divisors (32427584).

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

25941664 is a wasteful number, since it uses less digits than its factorization.

25941664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115828 (or 115820 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 25941664 is about 5093.2959859015. The cubic root of 25941664 is about 296.0278766051.

The spelling of 25941664 in words is "twenty-five million, nine hundred forty-one thousand, six hundred sixty-four".