25054252250 has 16 divisors (see below), whose sum is σ = 46901560680. Its totient is φ = 10021700800.

The previous prime is 25054252229. The next prime is 25054252309. The reversal of 25054252250 is 5225245052.

It can be written as a sum of positive squares in 4 ways, for example, as 2337432409 + 22716819841 = 48347^2 + 150721^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 50108255 + ... + 50108754.

Almost surely, 2^25054252250 is an apocalyptic number.

25054252250 is a deficient number, since it is larger than the sum of its proper divisors (21847308430).

25054252250 is a wasteful number, since it uses less digits than its factorization.

25054252250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100217026 (or 100217016 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 32.

The spelling of 25054252250 in words is "twenty-five billion, fifty-four million, two hundred fifty-two thousand, two hundred fifty".