25072013250 has 96 divisors (see below), whose sum is σ = 68077502064. Its totient is φ = 6657984000.

The previous prime is 25072013233. The next prime is 25072013257. The reversal of 25072013250 is 5231027052.

25072013250 is a `hidden beast` number, since 2 + 507 + 20 + 132 + 5 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 8153548209 + 16918465041 = 90297^2 + 130071^2 .

It is a super-3 number, since 3×25072013250³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (25072013257) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 519132 + ... + 565368.

Almost surely, 2^25072013250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25072013250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34038751032).

25072013250 is an abundant number, since it is smaller than the sum of its proper divisors (43005488814).

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

25072013250 is a wasteful number, since it uses less digits than its factorization.

25072013250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46501 (or 46488 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The spelling of 25072013250 in words is "twenty-five billion, seventy-two million, thirteen thousand, two hundred fifty".