2818817 has 2 divisors, whose sum is σ = 2818818. Its totient is φ = 2818816.

The previous prime is 2818789. The next prime is 2818841. The reversal of 2818817 is 7188182.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2686321 + 132496 = 1639^2 + 364^2 .

It is a cyclic number.

It is not a de Polignac number, because 2818817 - 2⁸ = 2818561 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2818867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1409408 + 1409409.

It is an arithmetic number, because the mean of its divisors is an integer number (1409409).

2^2818817 is an apocalyptic number.

It is an amenable number.

2818817 is a deficient number, since it is larger than the sum of its proper divisors (1).

2818817 is an equidigital number, since it uses as much as digits as its factorization.

2818817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7168, while the sum is 35.

The square root of 2818817 is about 1678.9332923020. The cubic root of 2818817 is about 141.2610057470.

The spelling of 2818817 in words is "two million, eight hundred eighteen thousand, eight hundred seventeen".