42210163 has 2 divisors, whose sum is σ = 42210164. Its totient is φ = 42210162.

The previous prime is 42210137. The next prime is 42210199. The reversal of 42210163 is 36101224.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42210163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42210163.

It is not a weakly prime, because it can be changed into another prime (42210263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21105081 + 21105082.

It is an arithmetic number, because the mean of its divisors is an integer number (21105082).

Almost surely, 2^42210163 is an apocalyptic number.

42210163 is a deficient number, since it is larger than the sum of its proper divisors (1).

42210163 is an equidigital number, since it uses as much as digits as its factorization.

42210163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 42210163 is about 6496.9348927013. The cubic root of 42210163 is about 348.1814875562.

Adding to 42210163 its reverse (36101224), we get a palindrome (78311387).

It can be divided in two parts, 422 and 10163, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 42210163 in words is "forty-two million, two hundred ten thousand, one hundred sixty-three".