25132544 has 40 divisors (see below), whose sum is σ = 50675328. Its totient is φ = 12451840.

The previous prime is 25132529. The next prime is 25132553. The reversal of 25132544 is 44523152.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97664 + ... + 97920.

Almost surely, 2^25132544 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 25132544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25337664).

25132544 is an abundant number, since it is smaller than the sum of its proper divisors (25542784).

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

25132544 is an equidigital number, since it uses as much as digits as its factorization.

25132544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 450 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 25132544 is about 5013.2368785047. The cubic root of 25132544 is about 292.9176112865.

Adding to 25132544 its reverse (44523152), we get a palindrome (69655696).

The spelling of 25132544 in words is "twenty-five million, one hundred thirty-two thousand, five hundred forty-four".