25243015332 has 24 divisors (see below), whose sum is σ = 59157582400. Its totient is φ = 8377593696.

The previous prime is 25243015321. The next prime is 25243015379. The reversal of 25243015332 is 23351034252.

It is a self number, because there is not a number n which added to its sum of digits gives 25243015332.

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, 4590232 + ... + 4595727.

Almost surely, 2^25243015332 is an apocalyptic number.

It is an amenable number.

25243015332 is an abundant number, since it is smaller than the sum of its proper divisors (33914567068).

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

25243015332 is a wasteful number, since it uses less digits than its factorization.

25243015332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9186195 (or 9186193 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 25243015332 its reverse (23351034252), we get a palindrome (48594049584).

It can be divided in two parts, 252430 and 15332, that added together give a palindrome (267762).

The spelling of 25243015332 in words is "twenty-five billion, two hundred forty-three million, fifteen thousand, three hundred thirty-two".