25243125 has 20 divisors (see below), whose sum is σ = 42061536. Its totient is φ = 13462000.

The previous prime is 25243111. The next prime is 25243129. The reversal of 25243125 is 52134252.

It is not a de Polignac number, because 25243125 - 2⁴ = 25243109 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25243095 and 25243104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25243129) 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 19 ways as a sum of consecutive naturals, for example, 4857 + ... + 8606.

Almost surely, 2^25243125 is an apocalyptic number.

25243125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25243125 is a deficient number, since it is larger than the sum of its proper divisors (16818411).

25243125 is an equidigital number, since it uses as much as digits as its factorization.

25243125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13486 (or 13471 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 25243125 is about 5024.2536759204. The cubic root of 25243125 is about 293.3465867233.

Adding to 25243125 its reverse (52134252), we get a palindrome (77377377).

The spelling of 25243125 in words is "twenty-five million, two hundred forty-three thousand, one hundred twenty-five".