25256050250 has 32 divisors (see below), whose sum is σ = 48171414096. Its totient is φ = 9911803200.

The previous prime is 25256050223. The next prime is 25256050273. The reversal of 25256050250 is 5205065252.

It can be written as a sum of positive squares in 8 ways, for example, as 4061640361 + 21194409889 = 63731^2 + 145583^2 .

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 939809 + ... + 966308.

Almost surely, 2^25256050250 is an apocalyptic number.

25256050250 is a deficient number, since it is larger than the sum of its proper divisors (22915363846).

25256050250 is a wasteful number, since it uses less digits than its factorization.

25256050250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906187 (or 1906177 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 25256050250 in words is "twenty-five billion, two hundred fifty-six million, fifty thousand, two hundred fifty".