3225809 has 4 divisors (see below), whose sum is σ = 3231216. Its totient is φ = 3220404.

The previous prime is 3225793. The next prime is 3225821. The reversal of 3225809 is 9085223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3225809 - 2⁴ = 3225793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3225889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1679 + ... + 3044.

It is an arithmetic number, because the mean of its divisors is an integer number (807804).

Almost surely, 2^3225809 is an apocalyptic number.

It is an amenable number.

3225809 is a deficient number, since it is larger than the sum of its proper divisors (5407).

3225809 is an equidigital number, since it uses as much as digits as its factorization.

3225809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5406.

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

The square root of 3225809 is about 1796.0537297086. The cubic root of 3225809 is about 147.7563711473.

The spelling of 3225809 in words is "three million, two hundred twenty-five thousand, eight hundred nine".