2543725384 has 16 divisors (see below), whose sum is σ = 4770526320. Its totient is φ = 1271585040.

The previous prime is 2543725333. The next prime is 2543725391. The reversal of 2543725384 is 4835273452.

2543725384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2543725384.

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, 7207 + ... + 71689.

It is an arithmetic number, because the mean of its divisors is an integer number (298157895).

Almost surely, 2^2543725384 is an apocalyptic number.

It is an amenable number.

2543725384 is a deficient number, since it is larger than the sum of its proper divisors (2226800936).

2543725384 is a wasteful number, since it uses less digits than its factorization.

2543725384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69420 (or 69416 counting only the distinct ones).

The product of its digits is 806400, while the sum is 43.

The square root of 2543725384 is about 50435.3584700258. The cubic root of 2543725384 is about 1365.0757173758.

The spelling of 2543725384 in words is "two billion, five hundred forty-three million, seven hundred twenty-five thousand, three hundred eighty-four".