3082721 has 2 divisors, whose sum is σ = 3082722. Its totient is φ = 3082720.

The previous prime is 3082711. The next prime is 3082727. The reversal of 3082721 is 1272803.

3082721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2890000 + 192721 = 1700^2 + 439^2 .

It is a cyclic number.

It is not a de Polignac number, because 3082721 - 2⁶ = 3082657 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3082727) 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, 1541360 + 1541361.

It is an arithmetic number, because the mean of its divisors is an integer number (1541361).

Almost surely, 2^3082721 is an apocalyptic number.

It is an amenable number.

3082721 is a deficient number, since it is larger than the sum of its proper divisors (1).

3082721 is an equidigital number, since it uses as much as digits as its factorization.

3082721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 3082721 is about 1755.7679231607. The cubic root of 3082721 is about 145.5385600221.

The spelling of 3082721 in words is "three million, eighty-two thousand, seven hundred twenty-one".