25485816 has 16 divisors (see below), whose sum is σ = 63714600. Its totient is φ = 8495264.

The previous prime is 25485791. The next prime is 25485827. The reversal of 25485816 is 61858452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530931 + ... + 530978.

Almost surely, 2^25485816 is an apocalyptic number.

It is an amenable number.

25485816 is an abundant number, since it is smaller than the sum of its proper divisors (38228784).

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

25485816 is a wasteful number, since it uses less digits than its factorization.

25485816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061918 (or 1061914 counting only the distinct ones).

The product of its digits is 76800, while the sum is 39.

The square root of 25485816 is about 5048.3478485540. The cubic root of 25485816 is about 294.2836819451.

The spelling of 25485816 in words is "twenty-five million, four hundred eighty-five thousand, eight hundred sixteen".