806803321 has 2 divisors, whose sum is σ = 806803322. Its totient is φ = 806803320.

The previous prime is 806803313. The next prime is 806803331. The reversal of 806803321 is 123308608.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 408242025 + 398561296 = 20205^2 + 19964^2 .

It is a cyclic number.

It is not a de Polignac number, because 806803321 - 2³ = 806803313 is a prime.

It is not a weakly prime, because it can be changed into another prime (806803301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403401660 + 403401661.

It is an arithmetic number, because the mean of its divisors is an integer number (403401661).

Almost surely, 2^806803321 is an apocalyptic number.

It is an amenable number.

806803321 is a deficient number, since it is larger than the sum of its proper divisors (1).

806803321 is an equidigital number, since it uses as much as digits as its factorization.

806803321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 806803321 is about 28404.2834973882. The cubic root of 806803321 is about 930.9418603895.

The spelling of 806803321 in words is "eight hundred six million, eight hundred three thousand, three hundred twenty-one".