3218265 has 32 divisors (see below), whose sum is σ = 5913600. Its totient is φ = 1658880.

The previous prime is 3218261. The next prime is 3218279. The reversal of 3218265 is 5628123.

3218265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3218265 - 2² = 3218261 is a prime.

It is a super-2 number, since 2×3218265² = 20714459220450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

3218265 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3218261) 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 in 31 ways as a sum of consecutive naturals, for example, 3801 + ... + 4569.

It is an arithmetic number, because the mean of its divisors is an integer number (184800).

Almost surely, 2^3218265 is an apocalyptic number.

It is an amenable number.

3218265 is a deficient number, since it is larger than the sum of its proper divisors (2695335).

3218265 is a wasteful number, since it uses less digits than its factorization.

3218265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814 (or 808 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 3218265 is about 1793.9523405041. The cubic root of 3218265 is about 147.6410983445.

The spelling of 3218265 in words is "three million, two hundred eighteen thousand, two hundred sixty-five".