218341063 has 2 divisors, whose sum is σ = 218341064. Its totient is φ = 218341062.

The previous prime is 218341049. The next prime is 218341073. The reversal of 218341063 is 360143812.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 218341063 - 2¹⁷ = 218209991 is a prime.

It is equal to p_12036268 and since 218341063 and 12036268 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (218341073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109170531 + 109170532.

It is an arithmetic number, because the mean of its divisors is an integer number (109170532).

Almost surely, 2^218341063 is an apocalyptic number.

218341063 is a deficient number, since it is larger than the sum of its proper divisors (1).

218341063 is an equidigital number, since it uses as much as digits as its factorization.

218341063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 218341063 is about 14776.3683968694. The cubic root of 218341063 is about 602.1598665572.

Adding to 218341063 its reverse (360143812), we get a palindrome (578484875).

The spelling of 218341063 in words is "two hundred eighteen million, three hundred forty-one thousand, sixty-three".