4218113 has 2 divisors, whose sum is σ = 4218114. Its totient is φ = 4218112.

The previous prime is 4218107. The next prime is 4218157. The reversal of 4218113 is 3118124.

4218113 is nontrivially palindromic in base 2.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2900209 + 1317904 = 1703^2 + 1148^2 .

It is a cyclic number.

It is not a de Polignac number, because 4218113 - 2¹⁸ = 3955969 is a prime.

It is not a weakly prime, because it can be changed into another prime (4218103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2109056 + 2109057.

It is an arithmetic number, because the mean of its divisors is an integer number (2109057).

Almost surely, 2^4218113 is an apocalyptic number.

It is an amenable number.

4218113 is a deficient number, since it is larger than the sum of its proper divisors (1).

4218113 is an equidigital number, since it uses as much as digits as its factorization.

4218113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 20.

The square root of 4218113 is about 2053.8045184486. The cubic root of 4218113 is about 161.5744687511.

The spelling of 4218113 in words is "four million, two hundred eighteen thousand, one hundred thirteen".