42595859 has 2 divisors, whose sum is σ = 42595860. Its totient is φ = 42595858.

The previous prime is 42595837. The next prime is 42595877. The reversal of 42595859 is 95859524.

42595859 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 42595859 - 2¹² = 42591763 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (42595879) 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, 21297929 + 21297930.

It is an arithmetic number, because the mean of its divisors is an integer number (21297930).

Almost surely, 2^42595859 is an apocalyptic number.

42595859 is a deficient number, since it is larger than the sum of its proper divisors (1).

42595859 is an equidigital number, since it uses as much as digits as its factorization.

42595859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648000, while the sum is 47.

The square root of 42595859 is about 6526.5503139101. The cubic root of 42595859 is about 349.2387782575.

The spelling of 42595859 in words is "forty-two million, five hundred ninety-five thousand, eight hundred fifty-nine".