8045321 has 2 divisors, whose sum is σ = 8045322. Its totient is φ = 8045320.

The previous prime is 8045287. The next prime is 8045327. The reversal of 8045321 is 1235408.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6071296 + 1974025 = 2464^2 + 1405^2 .

It is a cyclic number.

It is not a de Polignac number, because 8045321 - 2¹⁰ = 8044297 is a prime.

It is not a weakly prime, because it can be changed into another prime (8045327) 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, 4022660 + 4022661.

It is an arithmetic number, because the mean of its divisors is an integer number (4022661).

Almost surely, 2^8045321 is an apocalyptic number.

It is an amenable number.

8045321 is a deficient number, since it is larger than the sum of its proper divisors (1).

8045321 is an equidigital number, since it uses as much as digits as its factorization.

8045321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 8045321 is about 2836.4275065653. The cubic root of 8045321 is about 200.3769640442.

The spelling of 8045321 in words is "eight million, forty-five thousand, three hundred twenty-one".