42842163 has 32 divisors (see below), whose sum is σ = 70873600. Its totient is φ = 22415616.

The previous prime is 42842161. The next prime is 42842183. The reversal of 42842163 is 36124824.

42842163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42842163 - 2¹ = 42842161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42842163.

It is not an unprimeable number, because it can be changed into a prime (42842161) 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 in 31 ways as a sum of consecutive naturals, for example, 37383 + ... + 38511.

It is an arithmetic number, because the mean of its divisors is an integer number (2214800).

Almost surely, 2^42842163 is an apocalyptic number.

42842163 is a deficient number, since it is larger than the sum of its proper divisors (28031437).

42842163 is a wasteful number, since it uses less digits than its factorization.

42842163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291.

The product of its digits is 9216, while the sum is 30.

The square root of 42842163 is about 6545.3925015999. The cubic root of 42842163 is about 349.9106247983.

Adding to 42842163 its reverse (36124824), we get a palindrome (78966987).

The spelling of 42842163 in words is "forty-two million, eight hundred forty-two thousand, one hundred sixty-three".