42050039 has 2 divisors, whose sum is σ = 42050040. Its totient is φ = 42050038.

The previous prime is 42049991. The next prime is 42050053. The reversal of 42050039 is 93005024.

42050039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42050039 - 2⁸ = 42049783 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42049996 and 42050023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42050089) 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, 21025019 + 21025020.

It is an arithmetic number, because the mean of its divisors is an integer number (21025020).

Almost surely, 2^42050039 is an apocalyptic number.

42050039 is a deficient number, since it is larger than the sum of its proper divisors (1).

42050039 is an equidigital number, since it uses as much as digits as its factorization.

42050039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 42050039 is about 6484.6001418746. The cubic root of 42050039 is about 347.7406548589.

The spelling of 42050039 in words is "forty-two million, fifty thousand, thirty-nine".