3085321 has 2 divisors, whose sum is σ = 3085322. Its totient is φ = 3085320.

The previous prime is 3085309. The next prime is 3085331. The reversal of 3085321 is 1235803.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2595321 + 490000 = 1611^2 + 700^2 .

It is an emirp because it is prime and its reverse (1235803) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3085321 - 2¹⁷ = 2954249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3085292 and 3085301.

It is not a weakly prime, because it can be changed into another prime (3085331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1542660 + 1542661.

It is an arithmetic number, because the mean of its divisors is an integer number (1542661).

Almost surely, 2^3085321 is an apocalyptic number.

It is an amenable number.

3085321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3085321 is an equidigital number, since it uses as much as digits as its factorization.

3085321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 3085321 is about 1756.5081838693. The cubic root of 3085321 is about 145.5794647859.

The spelling of 3085321 in words is "three million, eighty-five thousand, three hundred twenty-one".