12453444025 has 27 divisors (see below), whose sum is σ = 16982105133. Its totient is φ = 9052586400.

The previous prime is 12453443983. The next prime is 12453444041. The reversal of 12453444025 is 52044435421.

The square root of 12453444025 is 111595.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 3454265529 + 8999178496 = 58773^2 + 94864^2 .

It is not a de Polignac number, because 12453444025 - 2⁷ = 12453443897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 6136711 + ... + 6138739.

Almost surely, 2^12453444025 is an apocalyptic number.

12453444025 is the 111595-th square number.

12453444025 is the 55798-th centered octagonal number.

It is an amenable number.

12453444025 is a deficient number, since it is larger than the sum of its proper divisors (4528661108).

12453444025 is an frugal number, since it uses more digits than its factorization.

12453444025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4090 (or 2045 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 12453444025 its reverse (52044435421), we get a palindrome (64497879446).

The spelling of 12453444025 in words is "twelve billion, four hundred fifty-three million, four hundred forty-four thousand, twenty-five".