3065681 has 2 divisors, whose sum is σ = 3065682. Its totient is φ = 3065680.

The previous prime is 3065663. The next prime is 3065717. The reversal of 3065681 is 1865603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1890625 + 1175056 = 1375^2 + 1084^2 .

It is an emirp because it is prime and its reverse (1865603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3065681 - 2⁶ = 3065617 is a prime.

It is a super-2 number, since 2×3065681² = 18796799987522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3065641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1532840 + 1532841.

It is an arithmetic number, because the mean of its divisors is an integer number (1532841).

Almost surely, 2^3065681 is an apocalyptic number.

It is an amenable number.

3065681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3065681 is an equidigital number, since it uses as much as digits as its factorization.

3065681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 3065681 is about 1750.9086212593. The cubic root of 3065681 is about 145.2699055256.

The spelling of 3065681 in words is "three million, sixty-five thousand, six hundred eighty-one".