42334081 has 2 divisors, whose sum is σ = 42334082. Its totient is φ = 42334080.

The previous prime is 42334079. The next prime is 42334111. The reversal of 42334081 is 18043324.

42334081 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 can be written as a sum of positive squares in only one way, i.e., 37454400 + 4879681 = 6120^2 + 2209^2 .

It is a cyclic number.

It is not a de Polignac number, because 42334081 - 2¹ = 42334079 is a prime.

It is a super-2 number, since 2×42334081² = 3584348828229122, which contains 22 as substring.

Together with 42334079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (42334021) 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, 21167040 + 21167041.

It is an arithmetic number, because the mean of its divisors is an integer number (21167041).

Almost surely, 2^42334081 is an apocalyptic number.

It is an amenable number.

42334081 is a deficient number, since it is larger than the sum of its proper divisors (1).

42334081 is an equidigital number, since it uses as much as digits as its factorization.

42334081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 42334081 is about 6506.4645545795. The cubic root of 42334081 is about 348.5218779385.

The spelling of 42334081 in words is "forty-two million, three hundred thirty-four thousand, eighty-one".