42317339 has 2 divisors, whose sum is σ = 42317340. Its totient is φ = 42317338.

The previous prime is 42317321. The next prime is 42317383. The reversal of 42317339 is 93371324.

42317339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42317339 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (42317399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21158669 + 21158670.

It is an arithmetic number, because the mean of its divisors is an integer number (21158670).

Almost surely, 2^42317339 is an apocalyptic number.

42317339 is a deficient number, since it is larger than the sum of its proper divisors (1).

42317339 is an equidigital number, since it uses as much as digits as its factorization.

42317339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 32.

The square root of 42317339 is about 6505.1778607506. The cubic root of 42317339 is about 348.4759281781.

The spelling of 42317339 in words is "forty-two million, three hundred seventeen thousand, three hundred thirty-nine".