25412563250 has 16 divisors (see below), whose sum is σ = 47572318872. Its totient is φ = 10165025200.

The previous prime is 25412563229. The next prime is 25412563279. The reversal of 25412563250 is 5236521452.

It can be written as a sum of positive squares in 4 ways, for example, as 1018184281 + 24394378969 = 31909^2 + 156187^2 .

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 25412563250.

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, 50824877 + ... + 50825376.

Almost surely, 2^25412563250 is an apocalyptic number.

25412563250 is a deficient number, since it is larger than the sum of its proper divisors (22159755622).

25412563250 is a wasteful number, since it uses less digits than its factorization.

25412563250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101650270 (or 101650260 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 25412563250 in words is "twenty-five billion, four hundred twelve million, five hundred sixty-three thousand, two hundred fifty".