25782125 has 16 divisors (see below), whose sum is σ = 32348160. Its totient is φ = 20515600.

The previous prime is 25782109. The next prime is 25782151. The reversal of 25782125 is 52128752.

It is a happy number.

It is not a de Polignac number, because 25782125 - 2⁴ = 25782109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25782091 and 25782100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29444 + ... + 30306.

It is an arithmetic number, because the mean of its divisors is an integer number (2021760).

Almost surely, 2^25782125 is an apocalyptic number.

25782125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25782125 is a deficient number, since it is larger than the sum of its proper divisors (6566035).

25782125 is an equidigital number, since it uses as much as digits as its factorization.

25782125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117 (or 1107 counting only the distinct ones).

The product of its digits is 11200, while the sum is 32.

The square root of 25782125 is about 5077.6101662101. The cubic root of 25782125 is about 295.4197796640.

The spelling of 25782125 in words is "twenty-five million, seven hundred eighty-two thousand, one hundred twenty-five".