25404033125 has 40 divisors (see below), whose sum is σ = 33491404320. Its totient is φ = 19209960000.

The previous prime is 25404033097. The next prime is 25404033133. The reversal of 25404033125 is 52133040452.

It is a happy number.

It is not a de Polignac number, because 25404033125 - 2⁸ = 25404032869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5828447 + ... + 5832803.

It is an arithmetic number, because the mean of its divisors is an integer number (837285108).

Almost surely, 2^25404033125 is an apocalyptic number.

25404033125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25404033125 is a deficient number, since it is larger than the sum of its proper divisors (8087371195).

25404033125 is an equidigital number, since it uses as much as digits as its factorization.

25404033125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4887 (or 4872 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 25404033125 its reverse (52133040452), we get a palindrome (77537073577).

The spelling of 25404033125 in words is "twenty-five billion, four hundred four million, thirty-three thousand, one hundred twenty-five".