25230212252 has 24 divisors (see below), whose sum is σ = 53116237440. Its totient is φ = 10243845360.

The previous prime is 25230212243. The next prime is 25230212279. The reversal of 25230212252 is 25221203252.

It is a super-2 number, since 2×25230212252² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23712074 + ... + 23713137.

It is an arithmetic number, because the mean of its divisors is an integer number (2213176560).

Almost surely, 2^25230212252 is an apocalyptic number.

It is an amenable number.

25230212252 is an abundant number, since it is smaller than the sum of its proper divisors (27886025188).

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

25230212252 is a wasteful number, since it uses less digits than its factorization.

25230212252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47425241 (or 47425239 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The spelling of 25230212252 in words is "twenty-five billion, two hundred thirty million, two hundred twelve thousand, two hundred fifty-two".