25527432 has 80 divisors (see below), whose sum is σ = 74618640. Its totient is φ = 7277088.

The previous prime is 25527427. The next prime is 25527433. The reversal of 25527432 is 23472552.

Its product of digits (16800) is a multiple of the sum of its prime factors (480).

It is a self number, because there is not a number n which added to its sum of digits gives 25527432.

It is not an unprimeable number, because it can be changed into a prime (25527433) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 57403 + ... + 57845.

It is an arithmetic number, because the mean of its divisors is an integer number (932733).

Almost surely, 2^25527432 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 25527432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37309320).

25527432 is an abundant number, since it is smaller than the sum of its proper divisors (49091208).

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

25527432 is an equidigital number, since it uses as much as digits as its factorization.

25527432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 455 counting only the distinct ones).

The product of its digits is 16800, while the sum is 30.

The square root of 25527432 is about 5052.4679118229. The cubic root of 25527432 is about 294.4437742585.

Adding to 25527432 its reverse (23472552), we get a palindrome (48999984).

The spelling of 25527432 in words is "twenty-five million, five hundred twenty-seven thousand, four hundred thirty-two".