25010520252 has 24 divisors (see below), whose sum is σ = 60895180416. Its totient is φ = 7974368688.

The previous prime is 25010520239. The next prime is 25010520281. The reversal of 25010520252 is 25202501052.

It is a super-2 number, since 2×25010520252² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 45308638 + ... + 45309189.

It is an arithmetic number, because the mean of its divisors is an integer number (2537299184).

Almost surely, 2^25010520252 is an apocalyptic number.

It is an amenable number.

25010520252 is an abundant number, since it is smaller than the sum of its proper divisors (35884660164).

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

25010520252 is a wasteful number, since it uses less digits than its factorization.

25010520252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90617857 (or 90617855 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The spelling of 25010520252 in words is "twenty-five billion, ten million, five hundred twenty thousand, two hundred fifty-two".