4218563 has 2 divisors, whose sum is σ = 4218564. Its totient is φ = 4218562.

The previous prime is 4218547. The next prime is 4218569. The reversal of 4218563 is 3658124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4218563 - 2⁴ = 4218547 is a prime.

It is a Sophie Germain prime.

It is a d-powerful number, because it can be written as 4⁷ + 2²² + 1 + 8² + 5² + 6⁵ + 3² .

It is not a weakly prime, because it can be changed into another prime (4218569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2109281 + 2109282.

It is an arithmetic number, because the mean of its divisors is an integer number (2109282).

Almost surely, 2^4218563 is an apocalyptic number.

4218563 is a deficient number, since it is larger than the sum of its proper divisors (1).

4218563 is an equidigital number, since it uses as much as digits as its factorization.

4218563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 29.

The square root of 4218563 is about 2053.9140683096. The cubic root of 4218563 is about 161.5802142843.

The spelling of 4218563 in words is "four million, two hundred eighteen thousand, five hundred sixty-three".