25917275 has 12 divisors (see below), whose sum is σ = 32619192. Its totient is φ = 20423040.

The previous prime is 25917259. The next prime is 25917277. The reversal of 25917275 is 57271952.

It is not a de Polignac number, because 25917275 - 2⁴ = 25917259 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25917277) 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, 6062 + ... + 9411.

It is an arithmetic number, because the mean of its divisors is an integer number (2718266).

Almost surely, 2^25917275 is an apocalyptic number.

25917275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25917275 is a deficient number, since it is larger than the sum of its proper divisors (6701917).

25917275 is a wasteful number, since it uses less digits than its factorization.

25917275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15550 (or 15545 counting only the distinct ones).

The product of its digits is 44100, while the sum is 38.

The square root of 25917275 is about 5090.9011972341. The cubic root of 25917275 is about 295.9350775255.

The spelling of 25917275 in words is "twenty-five million, nine hundred seventeen thousand, two hundred seventy-five".