25012455232 has 42 divisors (see below), whose sum is σ = 52725526502. Its totient is φ = 11770558464.

The previous prime is 25012455199. The next prime is 25012455257. The reversal of 25012455232 is 23255421052.

It can be written as a sum of positive squares in 3 ways, for example, as 4730138176 + 20282317056 = 68776^2 + 142416^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25012455194 and 25012455203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 657663 + ... + 694654.

Almost surely, 2^25012455232 is an apocalyptic number.

It is an amenable number.

25012455232 is an abundant number, since it is smaller than the sum of its proper divisors (27713071270).

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

25012455232 is a wasteful number, since it uses less digits than its factorization.

25012455232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352363 (or 1352336 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 25012455232 its reverse (23255421052), we get a palindrome (48267876284).

The spelling of 25012455232 in words is "twenty-five billion, twelve million, four hundred fifty-five thousand, two hundred thirty-two".