25856275 has 6 divisors (see below), whose sum is σ = 32061812. Its totient is φ = 20685000.

The previous prime is 25856273. The next prime is 25856297. The reversal of 25856275 is 57265852.

It is not a de Polignac number, because 25856275 - 2¹ = 25856273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25856273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 517101 + ... + 517150.

Almost surely, 2^25856275 is an apocalyptic number.

25856275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25856275 is a deficient number, since it is larger than the sum of its proper divisors (6205537).

25856275 is a wasteful number, since it uses less digits than its factorization.

25856275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034261 (or 1034256 counting only the distinct ones).

The product of its digits is 168000, while the sum is 40.

The square root of 25856275 is about 5084.9065871459. The cubic root of 25856275 is about 295.7027200090.

The spelling of 25856275 in words is "twenty-five million, eight hundred fifty-six thousand, two hundred seventy-five".