42112163 has 2 divisors, whose sum is σ = 42112164. Its totient is φ = 42112162.

The previous prime is 42112153. The next prime is 42112171. The reversal of 42112163 is 36121124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42112163 - 2¹² = 42108067 is a prime.

It is not a weakly prime, because it can be changed into another prime (42112153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21056081 + 21056082.

It is an arithmetic number, because the mean of its divisors is an integer number (21056082).

Almost surely, 2^42112163 is an apocalyptic number.

42112163 is a deficient number, since it is larger than the sum of its proper divisors (1).

42112163 is an equidigital number, since it uses as much as digits as its factorization.

42112163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 20.

The square root of 42112163 is about 6489.3884919921. The cubic root of 42112163 is about 347.9118192702.

Adding to 42112163 its reverse (36121124), we get a palindrome (78233287).

The spelling of 42112163 in words is "forty-two million, one hundred twelve thousand, one hundred sixty-three".