25851275 has 12 divisors (see below), whose sum is σ = 32206272. Its totient is φ = 20583840.

The previous prime is 25851257. The next prime is 25851281. The reversal of 25851275 is 57215852.

It is not a de Polignac number, because 25851275 - 2⁸ = 25851019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3257 + ... + 7893.

It is an arithmetic number, because the mean of its divisors is an integer number (2683856).

Almost surely, 2^25851275 is an apocalyptic number.

25851275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25851275 is a deficient number, since it is larger than the sum of its proper divisors (6354997).

25851275 is a wasteful number, since it uses less digits than its factorization.

25851275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4870 (or 4865 counting only the distinct ones).

The product of its digits is 28000, while the sum is 35.

The square root of 25851275 is about 5084.4149122588. The cubic root of 25851275 is about 295.6836581125.

The spelling of 25851275 in words is "twenty-five million, eight hundred fifty-one thousand, two hundred seventy-five".