25404304125 has 16 divisors (see below), whose sum is σ = 42272762688. Its totient is φ = 13548962000.

The previous prime is 25404304109. The next prime is 25404304139. The reversal of 25404304125 is 52140340452.

It is not a de Polignac number, because 25404304125 - 2⁴ = 25404304109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25404304092 and 25404304101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33872031 + ... + 33872780.

It is an arithmetic number, because the mean of its divisors is an integer number (2642047668).

Almost surely, 2^25404304125 is an apocalyptic number.

25404304125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25404304125 is a deficient number, since it is larger than the sum of its proper divisors (16868458563).

25404304125 is an equidigital number, since it uses as much as digits as its factorization.

25404304125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67744829 (or 67744819 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 25404304125 its reverse (52140340452), we get a palindrome (77544644577).

The spelling of 25404304125 in words is "twenty-five billion, four hundred four million, three hundred four thousand, one hundred twenty-five".