25280305275 has 12 divisors (see below), whose sum is σ = 41796771512. Its totient is φ = 13482829440.

The previous prime is 25280305207. The next prime is 25280305279. The reversal of 25280305275 is 57250308252.

It is not a de Polignac number, because 25280305275 - 2⁷ = 25280305147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25280305279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168535294 + ... + 168535443.

Almost surely, 2^25280305275 is an apocalyptic number.

25280305275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25280305275 is a deficient number, since it is larger than the sum of its proper divisors (16516466237).

25280305275 is a wasteful number, since it uses less digits than its factorization.

25280305275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337070750 (or 337070745 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 39.

The spelling of 25280305275 in words is "twenty-five billion, two hundred eighty million, three hundred five thousand, two hundred seventy-five".