42304559 has 12 divisors (see below), whose sum is σ = 47180328. Its totient is φ = 37618800.

The previous prime is 42304543. The next prime is 42304571. The reversal of 42304559 is 95540324.

It is a happy number.

It is not a de Polignac number, because 42304559 - 2⁴ = 42304543 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 (42304529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23429 + ... + 25169.

It is an arithmetic number, because the mean of its divisors is an integer number (3931694).

Almost surely, 2^42304559 is an apocalyptic number.

42304559 is a deficient number, since it is larger than the sum of its proper divisors (4875769).

42304559 is a wasteful number, since it uses less digits than its factorization.

42304559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846 (or 1799 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 42304559 is about 6504.1954921420. The cubic root of 42304559 is about 348.4408442868.

The spelling of 42304559 in words is "forty-two million, three hundred four thousand, five hundred fifty-nine".