12510425 has 6 divisors (see below), whose sum is σ = 15512958. Its totient is φ = 10008320.

The previous prime is 12510409. The next prime is 12510427. The reversal of 12510425 is 52401521.

It can be written as a sum of positive squares in 3 ways, for example, as 1247689 + 11262736 = 1117^2 + 3356^2 .

It is not a de Polignac number, because 12510425 - 2⁴ = 12510409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12510397 and 12510406.

It is not an unprimeable number, because it can be changed into a prime (12510427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 250184 + ... + 250233.

It is an arithmetic number, because the mean of its divisors is an integer number (2585493).

Almost surely, 2^12510425 is an apocalyptic number.

It is an amenable number.

12510425 is a deficient number, since it is larger than the sum of its proper divisors (3002533).

12510425 is an equidigital number, since it uses as much as digits as its factorization.

12510425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500427 (or 500422 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 12510425 is about 3537.0079163044. The cubic root of 12510425 is about 232.1439418377.

Adding to 12510425 its reverse (52401521), we get a palindrome (64911946).

The spelling of 12510425 in words is "twelve million, five hundred ten thousand, four hundred twenty-five".