3316321 has 2 divisors, whose sum is σ = 3316322. Its totient is φ = 3316320.

The previous prime is 3316297. The next prime is 3316337. The reversal of 3316321 is 1236133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2387025 + 929296 = 1545^2 + 964^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3316321 is a prime.

It is a Chen prime.

3316321 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3316361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1658160 + 1658161.

It is an arithmetic number, because the mean of its divisors is an integer number (1658161).

Almost surely, 2^3316321 is an apocalyptic number.

It is an amenable number.

3316321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3316321 is an equidigital number, since it uses as much as digits as its factorization.

3316321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324, while the sum is 19.

The square root of 3316321 is about 1821.0768792119. The cubic root of 3316321 is about 149.1255941488.

The spelling of 3316321 in words is "three million, three hundred sixteen thousand, three hundred twenty-one".