25258775 has 12 divisors (see below), whose sum is σ = 31417632. Its totient is φ = 20144640.

The previous prime is 25258763. The next prime is 25258781. The reversal of 25258775 is 57785252.

It is not a de Polignac number, because 25258775 - 2⁶ = 25258711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7799 + ... + 10551.

It is an arithmetic number, because the mean of its divisors is an integer number (2618136).

Almost surely, 2^25258775 is an apocalyptic number.

25258775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25258775 is a deficient number, since it is larger than the sum of its proper divisors (6158857).

25258775 is a wasteful number, since it uses less digits than its factorization.

25258775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130 (or 3125 counting only the distinct ones).

The product of its digits is 196000, while the sum is 41.

The square root of 25258775 is about 5025.8108798481. The cubic root of 25258775 is about 293.4071963041.

The spelling of 25258775 in words is "twenty-five million, two hundred fifty-eight thousand, seven hundred seventy-five".