25231125 has 32 divisors (see below), whose sum is σ = 42711552. Its totient is φ = 13224000.

The previous prime is 25231121. The next prime is 25231147. The reversal of 25231125 is 52113252.

It is not a de Polignac number, because 25231125 - 2² = 25231121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25231121) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 22324 + ... + 23426.

It is an arithmetic number, because the mean of its divisors is an integer number (1334736).

Almost surely, 2^25231125 is an apocalyptic number.

25231125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25231125 is a deficient number, since it is larger than the sum of its proper divisors (17480427).

25231125 is a wasteful number, since it uses less digits than its factorization.

25231125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182 (or 1172 counting only the distinct ones).

The product of its digits is 600, while the sum is 21.

The square root of 25231125 is about 5023.0593267450. The cubic root of 25231125 is about 293.3000959528.

Adding to 25231125 its reverse (52113252), we get a palindrome (77344377).

The spelling of 25231125 in words is "twenty-five million, two hundred thirty-one thousand, one hundred twenty-five".