25280025275 has 6 divisors (see below), whose sum is σ = 31347231372. Its totient is φ = 20224020200.

The previous prime is 25280025269. The next prime is 25280025307. The reversal of 25280025275 is 57252008252.

It is not a de Polignac number, because 25280025275 - 2⁸ = 25280025019 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 505600481 + ... + 505600530.

It is an arithmetic number, because the mean of its divisors is an integer number (5224538562).

Almost surely, 2^25280025275 is an apocalyptic number.

25280025275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25280025275 is a deficient number, since it is larger than the sum of its proper divisors (6067206097).

25280025275 is a wasteful number, since it uses less digits than its factorization.

25280025275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011201021 (or 1011201016 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 38.

The spelling of 25280025275 in words is "twenty-five billion, two hundred eighty million, twenty-five thousand, two hundred seventy-five".