25500275 has 6 divisors (see below), whose sum is σ = 31620372. Its totient is φ = 20400200.

The previous prime is 25500263. The next prime is 25500283. The reversal of 25500275 is 57200552.

It is not a de Polignac number, because 25500275 - 2¹² = 25496179 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, 509981 + ... + 510030.

It is an arithmetic number, because the mean of its divisors is an integer number (5270062).

Almost surely, 2^25500275 is an apocalyptic number.

25500275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25500275 is a deficient number, since it is larger than the sum of its proper divisors (6120097).

25500275 is a wasteful number, since it uses less digits than its factorization.

25500275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020021 (or 1020016 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 26.

The square root of 25500275 is about 5049.7796981651. The cubic root of 25500275 is about 294.3393239191.

The spelling of 25500275 in words is "twenty-five million, five hundred thousand, two hundred seventy-five".