2544563273 has 16 divisors (see below), whose sum is σ = 2923937280. Its totient is φ = 2169187776.

The previous prime is 2544563261. The next prime is 2544563293. The reversal of 2544563273 is 3723654452.

It is a happy number.

It is not a de Polignac number, because 2544563273 - 2¹⁰ = 2544562249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2544563273.

It is not an unprimeable number, because it can be changed into a prime (2544563293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1606640 + ... + 1608222.

It is an arithmetic number, because the mean of its divisors is an integer number (182746080).

Almost surely, 2^2544563273 is an apocalyptic number.

It is an amenable number.

2544563273 is a deficient number, since it is larger than the sum of its proper divisors (379374007).

2544563273 is a wasteful number, since it uses less digits than its factorization.

2544563273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2696.

The product of its digits is 604800, while the sum is 41.

The square root of 2544563273 is about 50443.6643494503. The cubic root of 2544563273 is about 1365.2255837061.

The spelling of 2544563273 in words is "two billion, five hundred forty-four million, five hundred sixty-three thousand, two hundred seventy-three".