5320809 has 40 divisors (see below), whose sum is σ = 8890112. Its totient is φ = 3149280.

The previous prime is 5320801. The next prime is 5320841. The reversal of 5320809 is 9080235.

It is not a de Polignac number, because 5320809 - 2³ = 5320801 is a prime.

It is a super-2 number, since 2×5320809² = 56622016828962, which contains 22 as substring.

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

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5320801) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 32562 + ... + 32724.

Almost surely, 2^5320809 is an apocalyptic number.

It is an amenable number.

5320809 is a deficient number, since it is larger than the sum of its proper divisors (3569303).

5320809 is a wasteful number, since it uses less digits than its factorization.

5320809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 5320809 is about 2306.6878852589. The cubic root of 5320809 is about 174.5792230919.

The spelling of 5320809 in words is "five million, three hundred twenty thousand, eight hundred nine".