12545425 has 6 divisors (see below), whose sum is σ = 15556358. Its totient is φ = 10036320.

The previous prime is 12545417. The next prime is 12545447. The reversal of 12545425 is 52454521.

It can be written as a sum of positive squares in 3 ways, for example, as 2099601 + 10445824 = 1449^2 + 3232^2 .

It is not a de Polignac number, because 12545425 - 2³ = 12545417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12545393 and 12545402.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 250884 + ... + 250933.

Almost surely, 2^12545425 is an apocalyptic number.

It is an amenable number.

12545425 is a deficient number, since it is larger than the sum of its proper divisors (3010933).

12545425 is an equidigital number, since it uses as much as digits as its factorization.

12545425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501827 (or 501822 counting only the distinct ones).

The product of its digits is 8000, while the sum is 28.

The square root of 12545425 is about 3541.9521453571. The cubic root of 12545425 is about 232.3602273934.

Adding to 12545425 its reverse (52454521), we get a palindrome (64999946).

The spelling of 12545425 in words is "twelve million, five hundred forty-five thousand, four hundred twenty-five".