25115232 has 48 divisors (see below), whose sum is σ = 66189312. Its totient is φ = 8338560.

The previous prime is 25115227. The next prime is 25115257. The reversal of 25115232 is 23251152.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 25115199 and 25115208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41073 + ... + 41679.

It is an arithmetic number, because the mean of its divisors is an integer number (1378944).

Almost surely, 2^25115232 is an apocalyptic number.

It is an amenable number.

25115232 is an abundant number, since it is smaller than the sum of its proper divisors (41074080).

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

25115232 is a wasteful number, since it uses less digits than its factorization.

25115232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051 (or 1043 counting only the distinct ones).

The product of its digits is 600, while the sum is 21.

The square root of 25115232 is about 5011.5099521003. The cubic root of 25115232 is about 292.8503392204.

Adding to 25115232 its reverse (23251152), we get a palindrome (48366384).

The spelling of 25115232 in words is "twenty-five million, one hundred fifteen thousand, two hundred thirty-two".