42511163 has 2 divisors, whose sum is σ = 42511164. Its totient is φ = 42511162.

The previous prime is 42511121. The next prime is 42511177. The reversal of 42511163 is 36111524.

42511163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42511163 - 2⁸ = 42510907 is a prime.

It is a super-2 number, since 2×42511163² = 3614397959225138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42511103) 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, 21255581 + 21255582.

It is an arithmetic number, because the mean of its divisors is an integer number (21255582).

Almost surely, 2^42511163 is an apocalyptic number.

42511163 is a deficient number, since it is larger than the sum of its proper divisors (1).

42511163 is an equidigital number, since it uses as much as digits as its factorization.

42511163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 23.

The square root of 42511163 is about 6520.0585120074. The cubic root of 42511163 is about 349.0071535987.

Adding to 42511163 its reverse (36111524), we get a palindrome (78622687).

The spelling of 42511163 in words is "forty-two million, five hundred eleven thousand, one hundred sixty-three".