2543245336 has 16 divisors (see below), whose sum is σ = 4813152840. Its totient is φ = 1259737920.

The previous prime is 2543245253. The next prime is 2543245381. The reversal of 2543245336 is 6335423452.

It is a junction number, because it is equal to n+sod(n) for n = 2543245295 and 2543245304.

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, 1484685 + ... + 1486396.

Almost surely, 2^2543245336 is an apocalyptic number.

It is an amenable number.

2543245336 is a deficient number, since it is larger than the sum of its proper divisors (2269907504).

2543245336 is a wasteful number, since it uses less digits than its factorization.

2543245336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2971194 (or 2971190 counting only the distinct ones).

The product of its digits is 259200, while the sum is 37.

The square root of 2543245336 is about 50430.5992032615. The cubic root of 2543245336 is about 1364.9898402997.

Adding to 2543245336 its reverse (6335423452), we get a palindrome (8878668788).

The spelling of 2543245336 in words is "two billion, five hundred forty-three million, two hundred forty-five thousand, three hundred thirty-six".