25448 has 8 divisors (see below), whose sum is σ = 47730. Its totient is φ = 12720.

The previous prime is 25447. The next prime is 25453. The reversal of 25448 is 84452.

It can be written as a sum of positive squares in only one way, i.e., 24964 + 484 = 158^2 + 22^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 12.

It is a nialpdrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 25448.

It is not an unprimeable number, because it can be changed into a prime (25447) 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 as a sum of consecutive naturals, namely, 1583 + ... + 1598.

2²⁵⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

25448 is a deficient number, since it is larger than the sum of its proper divisors (22282).

25448 is a wasteful number, since it uses less digits than its factorization.

25448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3187 (or 3183 counting only the distinct ones).

The product of its digits is 1280, while the sum is 23.

The square root of 25448 is about 159.5242928209. The cubic root of 25448 is about 29.4138056623.

Subtracting from 25448 its sum of digits (23), we obtain a triangular number (25425 = T₂₂₅).

It can be divided in two parts, 2544 and 8, that added together give a palindrome (2552).

The spelling of 25448 in words is "twenty-five thousand, four hundred forty-eight".