12454573825 has 6 divisors (see below), whose sum is σ = 15443671574. Its totient is φ = 9963659040.

The previous prime is 12454573799. The next prime is 12454573837. The reversal of 12454573825 is 52837545421.

12454573825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 359633296 + 12094940529 = 18964^2 + 109977^2 .

It is not a de Polignac number, because 12454573825 - 2⁷ = 12454573697 is a prime.

It is a Duffinian 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 5 ways as a sum of consecutive naturals, for example, 249091452 + ... + 249091501.

Almost surely, 2^12454573825 is an apocalyptic number.

It is an amenable number.

12454573825 is a deficient number, since it is larger than the sum of its proper divisors (2989097749).

12454573825 is an equidigital number, since it uses as much as digits as its factorization.

12454573825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498182963 (or 498182958 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 46.

The spelling of 12454573825 in words is "twelve billion, four hundred fifty-four million, five hundred seventy-three thousand, eight hundred twenty-five".