42593539 has 8 divisors (see below), whose sum is σ = 45073152. Its totient is φ = 40166280.

The previous prime is 42593533. The next prime is 42593557. The reversal of 42593539 is 93539524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42593539 - 2¹¹ = 42591491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42593533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11409 + ... + 14674.

It is an arithmetic number, because the mean of its divisors is an integer number (5634144).

Almost surely, 2^42593539 is an apocalyptic number.

42593539 is a deficient number, since it is larger than the sum of its proper divisors (2479613).

42593539 is a wasteful number, since it uses less digits than its factorization.

42593539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26177.

The product of its digits is 145800, while the sum is 40.

The square root of 42593539 is about 6526.3725759414. The cubic root of 42593539 is about 349.2324376672.

The spelling of 42593539 in words is "forty-two million, five hundred ninety-three thousand, five hundred thirty-nine".