25456125 has 16 divisors (see below), whose sum is σ = 42359616. Its totient is φ = 13576400.

The previous prime is 25456087. The next prime is 25456159. The reversal of 25456125 is 52165452.

It is not a de Polignac number, because 25456125 - 2¹² = 25452029 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 25456092 and 25456101.

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, 33567 + ... + 34316.

It is an arithmetic number, because the mean of its divisors is an integer number (2647476).

Almost surely, 2^25456125 is an apocalyptic number.

25456125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25456125 is a deficient number, since it is larger than the sum of its proper divisors (16903491).

25456125 is an equidigital number, since it uses as much as digits as its factorization.

25456125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67901 (or 67891 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 25456125 is about 5045.4063265509. The cubic root of 25456125 is about 294.1693572806.

The spelling of 25456125 in words is "twenty-five million, four hundred fifty-six thousand, one hundred twenty-five".