25132432 has 20 divisors (see below), whose sum is σ = 52440220. Its totient is φ = 11599488.

The previous prime is 25132423. The next prime is 25132439. The reversal of 25132432 is 23423152.

It can be written as a sum of positive squares in 2 ways, for example, as 2702736 + 22429696 = 1644^2 + 4736^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25132439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60207 + ... + 60622.

It is an arithmetic number, because the mean of its divisors is an integer number (2622011).

Almost surely, 2^25132432 is an apocalyptic number.

It is an amenable number.

25132432 is an abundant number, since it is smaller than the sum of its proper divisors (27307788).

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

25132432 is a wasteful number, since it uses less digits than its factorization.

25132432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120850 (or 120844 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 25132432 is about 5013.2257080646. The cubic root of 25132432 is about 292.9171761691.

Adding to 25132432 its reverse (23423152), we get a palindrome (48555584).

The spelling of 25132432 in words is "twenty-five million, one hundred thirty-two thousand, four hundred thirty-two".