7883321 has 2 divisors, whose sum is σ = 7883322. Its totient is φ = 7883320.

The previous prime is 7883303. The next prime is 7883327. The reversal of 7883321 is 1233887.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6431296 + 1452025 = 2536^2 + 1205^2 .

It is an emirp because it is prime and its reverse (1233887) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7883321 - 2¹⁰ = 7882297 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (7883327) 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, 3941660 + 3941661.

It is an arithmetic number, because the mean of its divisors is an integer number (3941661).

Almost surely, 2^7883321 is an apocalyptic number.

It is an amenable number.

7883321 is a deficient number, since it is larger than the sum of its proper divisors (1).

7883321 is an equidigital number, since it uses as much as digits as its factorization.

7883321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 32.

The square root of 7883321 is about 2807.7252358448. The cubic root of 7883321 is about 199.0229092419.

The spelling of 7883321 in words is "seven million, eight hundred eighty-three thousand, three hundred twenty-one".