7333321 has 2 divisors, whose sum is σ = 7333322. Its totient is φ = 7333320.

The previous prime is 7333303. The next prime is 7333327. The reversal of 7333321 is 1233337.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6451600 + 881721 = 2540^2 + 939^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7333321 is a prime.

It is a Chen prime.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 7333292 and 7333301.

It is not a weakly prime, because it can be changed into another prime (7333327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3666660 + 3666661.

It is an arithmetic number, because the mean of its divisors is an integer number (3666661).

Almost surely, 2^7333321 is an apocalyptic number.

It is an amenable number.

7333321 is a deficient number, since it is larger than the sum of its proper divisors (1).

7333321 is an equidigital number, since it uses as much as digits as its factorization.

7333321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1134, while the sum is 22.

The square root of 7333321 is about 2708.0105243518. The cubic root of 7333321 is about 194.2824471923.

Adding to 7333321 its reverse (1233337), we get a palindrome (8566658).

The spelling of 7333321 in words is "seven million, three hundred thirty-three thousand, three hundred twenty-one".