2543304004 has 24 divisors (see below), whose sum is σ = 4546219608. Its totient is φ = 1244505600.

The previous prime is 2543303977. The next prime is 2543304047. The reversal of 2543304004 is 4004033452.

It can be written as a sum of positive squares in 4 ways, for example, as 2002741504 + 540562500 = 44752^2 + 23250^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2543304004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70054 + ... + 99970.

It is an arithmetic number, because the mean of its divisors is an integer number (189425817).

Almost surely, 2^2543304004 is an apocalyptic number.

It is an amenable number.

2543304004 is a deficient number, since it is larger than the sum of its proper divisors (2002915604).

2543304004 is a wasteful number, since it uses less digits than its factorization.

2543304004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30375 (or 30373 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 2543304004 is about 50431.1808705686. The cubic root of 2543304004 is about 1365.0003361554. Note that the first 3 decimals are identical.

Adding to 2543304004 its reverse (4004033452), we get a palindrome (6547337456).

The spelling of 2543304004 in words is "two billion, five hundred forty-three million, three hundred four thousand, four".