25512035252 has 96 divisors (see below), whose sum is σ = 54318781440. Its totient is φ = 10341393920.

The previous prime is 25512035239. The next prime is 25512035257. The reversal of 25512035252 is 25253021552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25512035257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1833899 + ... + 1847757.

It is an arithmetic number, because the mean of its divisors is an integer number (565820640).

Almost surely, 2^25512035252 is an apocalyptic number.

25512035252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25512035252 is an abundant number, since it is smaller than the sum of its proper divisors (28806746188).

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

25512035252 is a wasteful number, since it uses less digits than its factorization.

25512035252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14021 (or 14019 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 25512035252 in words is "twenty-five billion, five hundred twelve million, thirty-five thousand, two hundred fifty-two".