42364559 has 4 divisors (see below), whose sum is σ = 42669480. Its totient is φ = 42059640.

The previous prime is 42364549. The next prime is 42364571. The reversal of 42364559 is 95546324.

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 42364559 - 2¹² = 42360463 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 (42364529) 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, 152252 + ... + 152529.

It is an arithmetic number, because the mean of its divisors is an integer number (10667370).

Almost surely, 2^42364559 is an apocalyptic number.

42364559 is a deficient number, since it is larger than the sum of its proper divisors (304921).

42364559 is a wasteful number, since it uses less digits than its factorization.

42364559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304920.

The product of its digits is 129600, while the sum is 38.

The square root of 42364559 is about 6508.8062653608. The cubic root of 42364559 is about 348.6054961600.

The spelling of 42364559 in words is "forty-two million, three hundred sixty-four thousand, five hundred fifty-nine".