42263339 has 2 divisors, whose sum is σ = 42263340. Its totient is φ = 42263338.

The previous prime is 42263327. The next prime is 42263359. The reversal of 42263339 is 93336224.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42263339 is a prime.

It is equal to p_2562665 and since 42263339 and 2562665 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (42263359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21131669 + 21131670.

It is an arithmetic number, because the mean of its divisors is an integer number (21131670).

Almost surely, 2^42263339 is an apocalyptic number.

42263339 is a deficient number, since it is larger than the sum of its proper divisors (1).

42263339 is an equidigital number, since it uses as much as digits as its factorization.

42263339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 32.

The square root of 42263339 is about 6501.0259959486. The cubic root of 42263339 is about 348.3276382139.

The spelling of 42263339 in words is "forty-two million, two hundred sixty-three thousand, three hundred thirty-nine".