25326816 has 24 divisors (see below), whose sum is σ = 66483144. Its totient is φ = 8442240.

The previous prime is 25326809. The next prime is 25326817. The reversal of 25326816 is 61862352.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25326817) 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, 131815 + ... + 132006.

It is an arithmetic number, because the mean of its divisors is an integer number (2770131).

Almost surely, 2^25326816 is an apocalyptic number.

It is an amenable number.

25326816 is an abundant number, since it is smaller than the sum of its proper divisors (41156328).

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

25326816 is a wasteful number, since it uses less digits than its factorization.

25326816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263834 (or 263826 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 25326816 is about 5032.5754837856. The cubic root of 25326816 is about 293.6704159841.

The spelling of 25326816 in words is "twenty-five million, three hundred twenty-six thousand, eight hundred sixteen".