6862213 has 2 divisors, whose sum is σ = 6862214. Its totient is φ = 6862212.

The previous prime is 6862201. The next prime is 6862217. The reversal of 6862213 is 3122686.

6862213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6770404 + 91809 = 2602^2 + 303^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6862213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6862217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3431106 + 3431107.

It is an arithmetic number, because the mean of its divisors is an integer number (3431107).

Almost surely, 2^6862213 is an apocalyptic number.

It is an amenable number.

6862213 is a deficient number, since it is larger than the sum of its proper divisors (1).

6862213 is an equidigital number, since it uses as much as digits as its factorization.

6862213 is an odious number, because the sum of its binary digits is odd.

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

The square root of 6862213 is about 2619.5826003392. The cubic root of 6862213 is about 190.0296629588.

Adding to 6862213 its reverse (3122686), we get a palindrome (9984899).

It can be divided in two parts, 68622 and 13, that added together give a triangular number (68635 = T₃₇₀).

The spelling of 6862213 in words is "six million, eight hundred sixty-two thousand, two hundred thirteen".