25838560 has 96 divisors (see below), whose sum is σ = 68094432. Its totient is φ = 9185280.

The previous prime is 25838551. The next prime is 25838581. The reversal of 25838560 is 6583852.

It is a congruent number.

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, 93142 + ... + 93418.

It is an arithmetic number, because the mean of its divisors is an integer number (709317).

Almost surely, 2^25838560 is an apocalyptic number.

25838560 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 25838560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34047216).

25838560 is an abundant number, since it is smaller than the sum of its proper divisors (42255872).

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

25838560 is a wasteful number, since it uses less digits than its factorization.

25838560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 25838560 is about 5083.1643687766. The cubic root of 25838560 is about 295.6351726345.

The spelling of 25838560 in words is "twenty-five million, eight hundred thirty-eight thousand, five hundred sixty".