25182 has 12 divisors (see below), whose sum is σ = 54600. Its totient is φ = 8388.

The previous prime is 25171. The next prime is 25183. The reversal of 25182 is 28152.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1399 = 25182 / (2 + 5 + 1 + 8 + 2).

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 25182.

It is not an unprimeable number, because it can be changed into a prime (25183) by changing a digit.

25182 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 682 + ... + 717.

It is an arithmetic number, because the mean of its divisors is an integer number (4550).

2²⁵¹⁸² is an apocalyptic number.

25182 is an abundant number, since it is smaller than the sum of its proper divisors (29418).

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

25182 is a wasteful number, since it uses less digits than its factorization.

25182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407 (or 1404 counting only the distinct ones).

The product of its digits is 160, while the sum is 18.

The square root of 25182 is about 158.6883738653. The cubic root of 25182 is about 29.3109620520.

Adding to 25182 its sum of digits (18), we get a triangular number (25200 = T₂₂₄).

It can be divided in two parts, 251 and 82, that added together give a palindrome (333).

The spelling of 25182 in words is "twenty-five thousand, one hundred eighty-two".