3285565 has 4 divisors (see below), whose sum is σ = 3942684. Its totient is φ = 2628448.

The previous prime is 3285559. The next prime is 3285571. The reversal of 3285565 is 5655823.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (3285559) and next prime (3285571).

It can be written as a sum of positive squares in 2 ways, for example, as 2090916 + 1194649 = 1446^2 + 1093^2 .

It is a cyclic number.

It is not a de Polignac number, because 3285565 - 2¹¹ = 3283517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3285565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328552 + ... + 328561.

It is an arithmetic number, because the mean of its divisors is an integer number (985671).

Almost surely, 2^3285565 is an apocalyptic number.

It is an amenable number.

3285565 is a deficient number, since it is larger than the sum of its proper divisors (657119).

3285565 is an equidigital number, since it uses as much as digits as its factorization.

3285565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657118.

The product of its digits is 36000, while the sum is 34.

The square root of 3285565 is about 1812.6127551135. The cubic root of 3285565 is about 148.6631581236.

The spelling of 3285565 in words is "three million, two hundred eighty-five thousand, five hundred sixty-five".