3345565 has 4 divisors (see below), whose sum is σ = 4014684. Its totient is φ = 2676448.

The previous prime is 3345541. The next prime is 3345581. The reversal of 3345565 is 5655433.

3345565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1172889 + 2172676 = 1083^2 + 1474^2 .

It is a cyclic number.

It is not a de Polignac number, because 3345565 - 2¹⁷ = 3214493 is a prime.

It is a super-2 number, since 2×3345565² = 22385610338450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 334552 + ... + 334561.

It is an arithmetic number, because the mean of its divisors is an integer number (1003671).

Almost surely, 2^3345565 is an apocalyptic number.

It is an amenable number.

3345565 is a deficient number, since it is larger than the sum of its proper divisors (669119).

3345565 is an equidigital number, since it uses as much as digits as its factorization.

3345565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669118.

The product of its digits is 27000, while the sum is 31.

The square root of 3345565 is about 1829.0885708461. The cubic root of 3345565 is about 149.5626520101.

The spelling of 3345565 in words is "three million, three hundred forty-five thousand, five hundred sixty-five".