25912320 has 176 divisors, whose sum is σ = 95111808. Its totient is φ = 5898240.

The previous prime is 25912319. The next prime is 25912343. The reversal of 25912320 is 2321952.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107400 + ... + 107640.

It is an arithmetic number, because the mean of its divisors is an integer number (540408).

Almost surely, 2^25912320 is an apocalyptic number.

25912320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25912320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47555904).

25912320 is an abundant number, since it is smaller than the sum of its proper divisors (69199488).

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

25912320 is a wasteful number, since it uses less digits than its factorization.

25912320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 25912320 is about 5090.4145214314. The cubic root of 25912320 is about 295.9162168522.

The spelling of 25912320 in words is "twenty-five million, nine hundred twelve thousand, three hundred twenty".