42959339 has 2 divisors, whose sum is σ = 42959340. Its totient is φ = 42959338.

The previous prime is 42959299. The next prime is 42959341. The reversal of 42959339 is 93395924.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42959339 - 2¹⁶ = 42893803 is a prime.

Together with 42959341, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 42959339.

It is not a weakly prime, because it can be changed into another prime (42959359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21479669 + 21479670.

It is an arithmetic number, because the mean of its divisors is an integer number (21479670).

Almost surely, 2^42959339 is an apocalyptic number.

42959339 is a deficient number, since it is larger than the sum of its proper divisors (1).

42959339 is an equidigital number, since it uses as much as digits as its factorization.

42959339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 262440, while the sum is 44.

The square root of 42959339 is about 6554.3374188395. The cubic root of 42959339 is about 350.2293435634.

The spelling of 42959339 in words is "forty-two million, nine hundred fifty-nine thousand, three hundred thirty-nine".