12552530245 has 4 divisors (see below), whose sum is σ = 15063036300. Its totient is φ = 10042024192.

The previous prime is 12552530219. The next prime is 12552530293. The reversal of 12552530245 is 54203525521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54203525521 = 113 ⋅479677217.

It can be written as a sum of positive squares in 2 ways, for example, as 7234182916 + 5318347329 = 85054^2 + 72927^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12552530245 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12552530245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1255253020 + ... + 1255253029.

It is an arithmetic number, because the mean of its divisors is an integer number (3765759075).

Almost surely, 2^12552530245 is an apocalyptic number.

It is an amenable number.

12552530245 is a deficient number, since it is larger than the sum of its proper divisors (2510506055).

12552530245 is an equidigital number, since it uses as much as digits as its factorization.

12552530245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510506054.

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 12552530245 in words is "twelve billion, five hundred fifty-two million, five hundred thirty thousand, two hundred forty-five".