25452 has 36 divisors (see below), whose sum is σ = 74256. Its totient is φ = 7200.

The previous prime is 25447. The next prime is 25453.

25452 is nontrivially palindromic in base 10 and base 13.

25452 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (25453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202 + ... + 302.

2²⁵⁴⁵² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37128).

25452 is an abundant number, since it is smaller than the sum of its proper divisors (48804).

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

25452 is a wasteful number, since it uses less digits than its factorization.

25452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 113 counting only the distinct ones).

The product of its digits is 400, while the sum is 18.

The square root of 25452 is about 159.5368296037. The cubic root of 25452 is about 29.4153467010.

Adding to 25452 its product of digits (400), we get a palindrome (25852).

Subtracting from 25452 its product of digits (400), we obtain a palindrome (25052).

The spelling of 25452 in words is "twenty-five thousand, four hundred fifty-two".