25250250250 has 16 divisors (see below), whose sum is σ = 47268468936. Its totient is φ = 10100100000.

The previous prime is 25250250211. The next prime is 25250250251. The reversal of 25250250250 is 5205205252.

It can be written as a sum of positive squares in 4 ways, for example, as 9993800961 + 15256449289 = 99969^2 + 123517^2 .

25250250250 is a modest number, since divided by 250250 gives 25250 as remainder.

It is not an unprimeable number, because it can be changed into a prime (25250250251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50500251 + ... + 50500750.

Almost surely, 2^25250250250 is an apocalyptic number.

25250250250 is a deficient number, since it is larger than the sum of its proper divisors (22018218686).

25250250250 is a wasteful number, since it uses less digits than its factorization.

25250250250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101001018 (or 101001008 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 28.

The spelling of 25250250250 in words is "twenty-five billion, two hundred fifty million, two hundred fifty thousand, two hundred fifty".