25005758250 has 64 divisors (see below), whose sum is σ = 68088428928. Its totient is φ = 6062000000.

The previous prime is 25005758233. The next prime is 25005758257. The reversal of 25005758250 is 5285750052.

It is a junction number, because it is equal to n+sod(n) for n = 25005758199 and 25005758208.

It is not an unprimeable number, because it can be changed into a prime (25005758257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1507251 + ... + 1523750.

It is an arithmetic number, because the mean of its divisors is an integer number (1063881702).

Almost surely, 2^25005758250 is an apocalyptic number.

25005758250 is an abundant number, since it is smaller than the sum of its proper divisors (43082670678).

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

25005758250 is a wasteful number, since it uses less digits than its factorization.

25005758250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031032 (or 3031022 counting only the distinct ones).

The product of its (nonzero) digits is 140000, while the sum is 39.

The spelling of 25005758250 in words is "twenty-five billion, five million, seven hundred fifty-eight thousand, two hundred fifty".