5328809 has 4 divisors (see below), whose sum is σ = 5338116. Its totient is φ = 5319504.

The previous prime is 5328773. The next prime is 5328833. The reversal of 5328809 is 9088235.

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 107584 + 5221225 = 328^2 + 2285^2 .

It is a cyclic number.

It is not a de Polignac number, because 5328809 - 2⁸ = 5328553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5328839) 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, 3734 + ... + 4959.

It is an arithmetic number, because the mean of its divisors is an integer number (1334529).

Almost surely, 2^5328809 is an apocalyptic number.

It is an amenable number.

5328809 is a deficient number, since it is larger than the sum of its proper divisors (9307).

5328809 is an equidigital number, since it uses as much as digits as its factorization.

5328809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9306.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 5328809 is about 2308.4213220294. The cubic root of 5328809 is about 174.6666743553. Note that the first 4 decimals are identical.

The spelling of 5328809 in words is "five million, three hundred twenty-eight thousand, eight hundred nine".