6572542543 has 4 divisors (see below), whose sum is σ = 7511477200. Its totient is φ = 5633607888.

The previous prime is 6572542541. The next prime is 6572542609. The reversal of 6572542543 is 3452452756.

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

It is a cyclic number.

It is not a de Polignac number, because 6572542543 - 2¹ = 6572542541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6572542543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6572542541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469467318 + ... + 469467331.

It is an arithmetic number, because the mean of its divisors is an integer number (1877869300).

Almost surely, 2^6572542543 is an apocalyptic number.

6572542543 is a deficient number, since it is larger than the sum of its proper divisors (938934657).

6572542543 is an equidigital number, since it uses as much as digits as its factorization.

6572542543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938934656.

The product of its digits is 1008000, while the sum is 43.

The square root of 6572542543 is about 81071.2189559279. The cubic root of 6572542543 is about 1873.1726236934.

The spelling of 6572542543 in words is "six billion, five hundred seventy-two million, five hundred forty-two thousand, five hundred forty-three".