25322816 has 28 divisors (see below), whose sum is σ = 52437792. Its totient is φ = 12110208.

The previous prime is 25322807. The next prime is 25322819. The reversal of 25322816 is 61822352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25322819) 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, 7130 + ... + 10073.

Almost surely, 2^25322816 is an apocalyptic number.

It is an amenable number.

25322816 is an abundant number, since it is smaller than the sum of its proper divisors (27114976).

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

25322816 is a wasteful number, since it uses less digits than its factorization.

25322816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17238 (or 17228 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 25322816 is about 5032.1780572631. The cubic root of 25322816 is about 293.6549548551.

The spelling of 25322816 in words is "twenty-five million, three hundred twenty-two thousand, eight hundred sixteen".