42116071 has 2 divisors, whose sum is σ = 42116072. Its totient is φ = 42116070.

The previous prime is 42116069. The next prime is 42116083. The reversal of 42116071 is 17061124.

42116071 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 42116071 - 2¹ = 42116069 is a prime.

Together with 42116069, it forms a pair of twin primes.

It is equal to p_2554222 and since 42116071 and 2554222 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42116051) 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, 21058035 + 21058036.

It is an arithmetic number, because the mean of its divisors is an integer number (21058036).

Almost surely, 2^42116071 is an apocalyptic number.

42116071 is a deficient number, since it is larger than the sum of its proper divisors (1).

42116071 is an equidigital number, since it uses as much as digits as its factorization.

42116071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 42116071 is about 6489.6895919605. The cubic root of 42116071 is about 347.9225809856.

Adding to 42116071 its reverse (17061124), we get a palindrome (59177195).

The spelling of 42116071 in words is "forty-two million, one hundred sixteen thousand, seventy-one".