25001275 has 24 divisors (see below), whose sum is σ = 34181840. Its totient is φ = 18023040.

The previous prime is 25001269. The next prime is 25001281. The reversal of 25001275 is 57210052.

It is an interprime number because it is at equal distance from previous prime (25001269) and next prime (25001281).

It is not a de Polignac number, because 25001275 - 2⁵ = 25001243 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13081 + ... + 14869.

Almost surely, 2^25001275 is an apocalyptic number.

25001275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25001275 is a deficient number, since it is larger than the sum of its proper divisors (9180565).

25001275 is a wasteful number, since it uses less digits than its factorization.

25001275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855 (or 1850 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 25001275 is about 5000.1274983744. The cubic root of 25001275 is about 292.4067445669.

The spelling of 25001275 in words is "twenty-five million, one thousand, two hundred seventy-five".