25255323250 has 32 divisors (see below), whose sum is σ = 50059030320. Its totient is φ = 9507884800.

The previous prime is 25255323209. The next prime is 25255323271. The reversal of 25255323250 is 5232355252.

It can be written as a sum of positive squares in 8 ways, for example, as 7041391569 + 18213931681 = 83913^2 + 134959^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2966965 + ... + 2975464.

Almost surely, 2^25255323250 is an apocalyptic number.

25255323250 is a deficient number, since it is larger than the sum of its proper divisors (24803707070).

25255323250 is a wasteful number, since it uses less digits than its factorization.

25255323250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5942463 (or 5942453 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 34.

The spelling of 25255323250 in words is "twenty-five billion, two hundred fifty-five million, three hundred twenty-three thousand, two hundred fifty".