12425251 has 4 divisors (see below), whose sum is σ = 12467952. Its totient is φ = 12382552.

The previous prime is 12425243. The next prime is 12425261. The reversal of 12425251 is 15252421.

12425251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15252421 = 19 ⋅802759.

It is a cyclic number.

It is not a de Polignac number, because 12425251 - 2³ = 12425243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12425261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20911 + ... + 21496.

It is an arithmetic number, because the mean of its divisors is an integer number (3116988).

Almost surely, 2^12425251 is an apocalyptic number.

12425251 is a deficient number, since it is larger than the sum of its proper divisors (42701).

12425251 is an equidigital number, since it uses as much as digits as its factorization.

12425251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42700.

The product of its digits is 800, while the sum is 22.

The square root of 12425251 is about 3524.9469499554. The cubic root of 12425251 is about 231.6159109920.

Adding to 12425251 its reverse (15252421), we get a palindrome (27677672).

The spelling of 12425251 in words is "twelve million, four hundred twenty-five thousand, two hundred fifty-one".