25868 has 12 divisors (see below), whose sum is σ = 47040. Its totient is φ = 12432.

The previous prime is 25867. The next prime is 25873. The reversal of 25868 is 86852.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

Its product of digits (3840) is a multiple of the sum of its prime factors (256).

It is a self number, because there is not a number n which added to its sum of digits gives 25868.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 25868.

It is not an unprimeable number, because it can be changed into a prime (25867) 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, 5 + ... + 227.

It is an arithmetic number, because the mean of its divisors is an integer number (3920).

2²⁵⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

25868 is a deficient number, since it is larger than the sum of its proper divisors (21172).

25868 is a wasteful number, since it uses less digits than its factorization.

25868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 254 counting only the distinct ones).

The product of its digits is 3840, while the sum is 29.

The square root of 25868 is about 160.8353195041. The cubic root of 25868 is about 29.5747410520.

The spelling of 25868 in words is "twenty-five thousand, eight hundred sixty-eight".