6802321 has 2 divisors, whose sum is σ = 6802322. Its totient is φ = 6802320.

The previous prime is 6802307. The next prime is 6802331. The reversal of 6802321 is 1232086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6071296 + 731025 = 2464^2 + 855^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6802321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6802292 and 6802301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6802331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3401160 + 3401161.

It is an arithmetic number, because the mean of its divisors is an integer number (3401161).

Almost surely, 2^6802321 is an apocalyptic number.

It is an amenable number.

6802321 is a deficient number, since it is larger than the sum of its proper divisors (1).

6802321 is an equidigital number, since it uses as much as digits as its factorization.

6802321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 6802321 is about 2608.1259555474. The cubic root of 6802321 is about 189.4751999811.

The spelling of 6802321 in words is "six million, eight hundred two thousand, three hundred twenty-one".