5218211 has 2 divisors, whose sum is σ = 5218212. Its totient is φ = 5218210.

The previous prime is 5218207. The next prime is 5218229. The reversal of 5218211 is 1128125.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5218211 - 2² = 5218207 is a prime.

It is not a weakly prime, because it can be changed into another prime (5218271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2609105 + 2609106.

It is an arithmetic number, because the mean of its divisors is an integer number (2609106).

Almost surely, 2^5218211 is an apocalyptic number.

5218211 is a deficient number, since it is larger than the sum of its proper divisors (1).

5218211 is an equidigital number, since it uses as much as digits as its factorization.

5218211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 160, while the sum is 20.

The square root of 5218211 is about 2284.3403861947. The cubic root of 5218211 is about 173.4498300516.

The spelling of 5218211 in words is "five million, two hundred eighteen thousand, two hundred eleven".