2579987203 has 4 divisors (see below), whose sum is σ = 2580146440. Its totient is φ = 2579827968.

The previous prime is 2579987191. The next prime is 2579987209. The reversal of 2579987203 is 3027899752.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2579987203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2579987209) 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 3 ways as a sum of consecutive naturals, for example, 52158 + ... + 88771.

It is an arithmetic number, because the mean of its divisors is an integer number (645036610).

Almost surely, 2^2579987203 is an apocalyptic number.

2579987203 is a deficient number, since it is larger than the sum of its proper divisors (159237).

2579987203 is a wasteful number, since it uses less digits than its factorization.

2579987203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159236.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The square root of 2579987203 is about 50793.5744262992. The cubic root of 2579987203 is about 1371.5317024322.

The spelling of 2579987203 in words is "two billion, five hundred seventy-nine million, nine hundred eighty-seven thousand, two hundred three".