25500030275 has 24 divisors (see below), whose sum is σ = 31911841440. Its totient is φ = 20212508160.

The previous prime is 25500030271. The next prime is 25500030299. The reversal of 25500030275 is 57203000552.

It is not a de Polignac number, because 25500030275 - 2² = 25500030271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25500030271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1400027 + ... + 1418123.

It is an arithmetic number, because the mean of its divisors is an integer number (1329660060).

Almost surely, 2^25500030275 is an apocalyptic number.

25500030275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25500030275 is a deficient number, since it is larger than the sum of its proper divisors (6411811165).

25500030275 is a wasteful number, since it uses less digits than its factorization.

25500030275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18623 (or 18618 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 29.

The spelling of 25500030275 in words is "twenty-five billion, five hundred million, thirty thousand, two hundred seventy-five".