6818873 has 2 divisors, whose sum is σ = 6818874. Its totient is φ = 6818872.

The previous prime is 6818869. The next prime is 6818893. The reversal of 6818873 is 3788186.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6775609 + 43264 = 2603^2 + 208^2 .

It is a cyclic number.

It is not a de Polignac number, because 6818873 - 2² = 6818869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6818873.

It is not a weakly prime, because it can be changed into another prime (6818803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3409436 + 3409437.

It is an arithmetic number, because the mean of its divisors is an integer number (3409437).

Almost surely, 2^6818873 is an apocalyptic number.

It is an amenable number.

6818873 is a deficient number, since it is larger than the sum of its proper divisors (1).

6818873 is an equidigital number, since it uses as much as digits as its factorization.

6818873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 41.

The square root of 6818873 is about 2611.2971872232. The cubic root of 6818873 is about 189.6287580186.

The spelling of 6818873 in words is "six million, eight hundred eighteen thousand, eight hundred seventy-three".