83303321 has 2 divisors, whose sum is σ = 83303322. Its totient is φ = 83303320.

The previous prime is 83303279. The next prime is 83303327. The reversal of 83303321 is 12330338.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52345225 + 30958096 = 7235^2 + 5564^2 .

It is a cyclic number.

It is not a de Polignac number, because 83303321 - 2⁶ = 83303257 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83303327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41651660 + 41651661.

It is an arithmetic number, because the mean of its divisors is an integer number (41651661).

Almost surely, 2^83303321 is an apocalyptic number.

It is an amenable number.

83303321 is a deficient number, since it is larger than the sum of its proper divisors (1).

83303321 is an equidigital number, since it uses as much as digits as its factorization.

83303321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 83303321 is about 9127.0653005224. The cubic root of 83303321 is about 436.7377896957.

Adding to 83303321 its reverse (12330338), we get a palindrome (95633659).

The spelling of 83303321 in words is "eighty-three million, three hundred three thousand, three hundred twenty-one".