4042559 has 8 divisors (see below), whose sum is σ = 4239312. Its totient is φ = 3850560.

The previous prime is 4042547. The next prime is 4042561. The reversal of 4042559 is 9552404.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4042559 - 2⁴ = 4042543 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 (4042859) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 617 + ... + 2909.

It is an arithmetic number, because the mean of its divisors is an integer number (529914).

Almost surely, 2^4042559 is an apocalyptic number.

4042559 is a deficient number, since it is larger than the sum of its proper divisors (196753).

4042559 is a wasteful number, since it uses less digits than its factorization.

4042559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 4042559 is about 2010.6115984943. The cubic root of 4042559 is about 159.3011052542.

The spelling of 4042559 in words is "four million, forty-two thousand, five hundred fifty-nine".