5218811 has 16 divisors (see below), whose sum is σ = 5913600. Its totient is φ = 4572288.

The previous prime is 5218793. The next prime is 5218817. The reversal of 5218811 is 1188125.

5218811 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 5218811 - 2¹⁰ = 5217787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5218817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41030 + ... + 41156.

It is an arithmetic number, because the mean of its divisors is an integer number (369600).

Almost surely, 2^5218811 is an apocalyptic number.

5218811 is a deficient number, since it is larger than the sum of its proper divisors (694789).

5218811 is a wasteful number, since it uses less digits than its factorization.

5218811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278.

The product of its digits is 640, while the sum is 26.

The square root of 5218811 is about 2284.4717113591. The cubic root of 5218811 is about 173.4564776626.

The spelling of 5218811 in words is "five million, two hundred eighteen thousand, eight hundred eleven".