4042582543 has 4 divisors (see below), whose sum is σ = 4042781568. Its totient is φ = 4042383520.

The previous prime is 4042582529. The next prime is 4042582547. The reversal of 4042582543 is 3452852404.

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 4042582543 - 2²¹ = 4040485391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042582547) 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, 65071 + ... + 110992.

It is an arithmetic number, because the mean of its divisors is an integer number (1010695392).

Almost surely, 2^4042582543 is an apocalyptic number.

4042582543 is a deficient number, since it is larger than the sum of its proper divisors (199025).

4042582543 is a wasteful number, since it uses less digits than its factorization.

4042582543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199024.

The product of its (nonzero) digits is 153600, while the sum is 37.

The square root of 4042582543 is about 63581.3065531057. The cubic root of 4042582543 is about 1593.0141449880.

The spelling of 4042582543 in words is "four billion, forty-two million, five hundred eighty-two thousand, five hundred forty-three".