25005030250 has 16 divisors (see below), whose sum is σ = 46809417096. Its totient is φ = 10002012000.

The previous prime is 25005030247. The next prime is 25005030251. The reversal of 25005030250 is 5203050052.

It can be written as a sum of positive squares in 4 ways, for example, as 976000081 + 24029030169 = 31241^2 + 155013^2 .

It is not an unprimeable number, because it can be changed into a prime (25005030251) 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, 50009811 + ... + 50010310.

Almost surely, 2^25005030250 is an apocalyptic number.

25005030250 is a deficient number, since it is larger than the sum of its proper divisors (21804386846).

25005030250 is a wasteful number, since it uses less digits than its factorization.

25005030250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100020138 (or 100020128 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

The spelling of 25005030250 in words is "twenty-five billion, five million, thirty thousand, two hundred fifty".