42339071 has 2 divisors, whose sum is σ = 42339072. Its totient is φ = 42339070.

The previous prime is 42339053. The next prime is 42339083. The reversal of 42339071 is 17093324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42339071 - 2⁶ = 42339007 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42339001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21169535 + 21169536.

It is an arithmetic number, because the mean of its divisors is an integer number (21169536).

Almost surely, 2^42339071 is an apocalyptic number.

42339071 is a deficient number, since it is larger than the sum of its proper divisors (1).

42339071 is an equidigital number, since it uses as much as digits as its factorization.

42339071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 42339071 is about 6506.8480080604. The cubic root of 42339071 is about 348.5355710498.

The spelling of 42339071 in words is "forty-two million, three hundred thirty-nine thousand, seventy-one".