218063 has 8 divisors (see below), whose sum is σ = 240000. Its totient is φ = 197208.

The previous prime is 218047. The next prime is 218069. The reversal of 218063 is 360812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 218063 - 2⁴ = 218047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188 + ... + 686.

It is an arithmetic number, because the mean of its divisors is an integer number (30000).

2²¹⁸⁰⁶³ is an apocalyptic number.

218063 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

218063 is a deficient number, since it is larger than the sum of its proper divisors (21937).

218063 is a wasteful number, since it uses less digits than its factorization.

218063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541.

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

The square root of 218063 is about 466.9721619112. The cubic root of 218063 is about 60.1904135903.

Adding to 218063 its reverse (360812), we get a palindrome (578875).

The spelling of 218063 in words is "two hundred eighteen thousand, sixty-three".