42263839 has 2 divisors, whose sum is σ = 42263840. Its totient is φ = 42263838.

The previous prime is 42263833. The next prime is 42263867. The reversal of 42263839 is 93836224.

42263839 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 not a de Polignac number, because 42263839 - 2⁹ = 42263327 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 42263798 and 42263807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42263833) 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, 21131919 + 21131920.

It is an arithmetic number, because the mean of its divisors is an integer number (21131920).

Almost surely, 2^42263839 is an apocalyptic number.

42263839 is a deficient number, since it is larger than the sum of its proper divisors (1).

42263839 is an equidigital number, since it uses as much as digits as its factorization.

42263839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 37.

The square root of 42263839 is about 6501.0644513033. The cubic root of 42263839 is about 348.3290118483.

It can be divided in two parts, 422 and 63839, that added together give a triangular number (64261 = T₃₅₈).

The spelling of 42263839 in words is "forty-two million, two hundred sixty-three thousand, eight hundred thirty-nine".