2543056006 has 4 divisors (see below), whose sum is σ = 3814584012. Its totient is φ = 1271528002.

The previous prime is 2543055961. The next prime is 2543056031. The reversal of 2543056006 is 6006503452.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 635764000 + ... + 635764003.

It is an arithmetic number, because the mean of its divisors is an integer number (953646003).

Almost surely, 2^2543056006 is an apocalyptic number.

2543056006 is a deficient number, since it is larger than the sum of its proper divisors (1271528006).

2543056006 is a wasteful number, since it uses less digits than its factorization.

2543056006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271528005.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 2543056006 is about 50428.7220341741. The cubic root of 2543056006 is about 1364.9559675760.

Adding to 2543056006 its reverse (6006503452), we get a palindrome (8549559458).

The spelling of 2543056006 in words is "two billion, five hundred forty-three million, fifty-six thousand, six".