25243312 has 20 divisors (see below), whose sum is σ = 48987936. Its totient is φ = 12601280.

The previous prime is 25243301. The next prime is 25243313. The reversal of 25243312 is 21334252.

It is not an unprimeable number, because it can be changed into a prime (25243313) 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, 16233 + ... + 17719.

Almost surely, 2^25243312 is an apocalyptic number.

It is an amenable number.

25243312 is a deficient number, since it is larger than the sum of its proper divisors (23744624).

25243312 is a wasteful number, since it uses less digits than its factorization.

25243312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2556 (or 2550 counting only the distinct ones).

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

The square root of 25243312 is about 5024.2722856151. The cubic root of 25243312 is about 293.3473110878.

Adding to 25243312 its reverse (21334252), we get a palindrome (46577564).

The spelling of 25243312 in words is "twenty-five million, two hundred forty-three thousand, three hundred twelve".