3365281 has 2 divisors, whose sum is σ = 3365282. Its totient is φ = 3365280.

The previous prime is 3365251. The next prime is 3365287. The reversal of 3365281 is 1825633.

3365281 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., 2692881 + 672400 = 1641^2 + 820^2 .

It is a cyclic number.

It is not a de Polignac number, because 3365281 - 2⁵ = 3365249 is a prime.

It is a super-2 number, since 2×3365281² = 22650232417922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3365287) 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, 1682640 + 1682641.

It is an arithmetic number, because the mean of its divisors is an integer number (1682641).

Almost surely, 2^3365281 is an apocalyptic number.

It is an amenable number.

3365281 is a deficient number, since it is larger than the sum of its proper divisors (1).

3365281 is an equidigital number, since it uses as much as digits as its factorization.

3365281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 28.

The square root of 3365281 is about 1834.4702232525. The cubic root of 3365281 is about 149.8558763817.

It can be divided in two parts, 33652 and 81, that added together give a palindrome (33733).

The spelling of 3365281 in words is "three million, three hundred sixty-five thousand, two hundred eighty-one".