25231613250 has 64 divisors (see below), whose sum is σ = 63001036800. Its totient is φ = 6725980800.

The previous prime is 25231613243. The next prime is 25231613261. The reversal of 25231613250 is 5231613252.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 31 ways as a sum of consecutive naturals, for example, 3115206 + ... + 3123294.

It is an arithmetic number, because the mean of its divisors is an integer number (984391200).

Almost surely, 2^25231613250 is an apocalyptic number.

25231613250 is an abundant number, since it is smaller than the sum of its proper divisors (37769423550).

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

25231613250 is a wasteful number, since it uses less digits than its factorization.

25231613250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12268 (or 12258 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 25231613250 in words is "twenty-five billion, two hundred thirty-one million, six hundred thirteen thousand, two hundred fifty".