25365 has 16 divisors (see below), whose sum is σ = 43200. Its totient is φ = 12672.

The previous prime is 25357. The next prime is 25367. The reversal of 25365 is 56352.

It is not a de Polignac number, because 25365 - 2³ = 25357 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 25365.

It is not an unprimeable number, because it can be changed into a prime (25367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241 + ... + 329.

It is an arithmetic number, because the mean of its divisors is an integer number (2700).

2²⁵³⁶⁵ is an apocalyptic number.

It is an amenable number.

25365 is a deficient number, since it is larger than the sum of its proper divisors (17835).

25365 is a wasteful number, since it uses less digits than its factorization.

25365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116.

The product of its digits is 900, while the sum is 21.

The square root of 25365 is about 159.2639318867. The cubic root of 25365 is about 29.3817926045.

The spelling of 25365 in words is "twenty-five thousand, three hundred sixty-five".