25125018252 has 24 divisors (see below), whose sum is σ = 58677278016. Its totient is φ = 8367543888.

The previous prime is 25125018251. The next prime is 25125018263. The reversal of 25125018252 is 25281052152.

It is not an unprimeable number, because it can be changed into a prime (25125018251) 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 7 ways as a sum of consecutive naturals, for example, 918738 + ... + 945689.

It is an arithmetic number, because the mean of its divisors is an integer number (2444886584).

Almost surely, 2^25125018252 is an apocalyptic number.

It is an amenable number.

25125018252 is an abundant number, since it is smaller than the sum of its proper divisors (33552259764).

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

25125018252 is a wasteful number, since it uses less digits than its factorization.

25125018252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865557 (or 1865555 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 33.

The spelling of 25125018252 in words is "twenty-five billion, one hundred twenty-five million, eighteen thousand, two hundred fifty-two".