42417163 has 2 divisors, whose sum is σ = 42417164. Its totient is φ = 42417162.

The previous prime is 42417157. The next prime is 42417173. The reversal of 42417163 is 36171424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42417163 - 2²¹ = 40320011 is a prime.

It is not a weakly prime, because it can be changed into another prime (42417103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21208581 + 21208582.

It is an arithmetic number, because the mean of its divisors is an integer number (21208582).

Almost surely, 2^42417163 is an apocalyptic number.

42417163 is a deficient number, since it is larger than the sum of its proper divisors (1).

42417163 is an equidigital number, since it uses as much as digits as its factorization.

42417163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 28.

The square root of 42417163 is about 6512.8459984864. The cubic root of 42417163 is about 348.7497240955.

Adding to 42417163 its reverse (36171424), we get a palindrome (78588587).

The spelling of 42417163 in words is "forty-two million, four hundred seventeen thousand, one hundred sixty-three".