5306809 has 2 divisors, whose sum is σ = 5306810. Its totient is φ = 5306808.

The previous prime is 5306801. The next prime is 5306827. The reversal of 5306809 is 9086035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4410000 + 896809 = 2100^2 + 947^2 .

It is a cyclic number.

It is not a de Polignac number, because 5306809 - 2³ = 5306801 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5306801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2653404 + 2653405.

It is an arithmetic number, because the mean of its divisors is an integer number (2653405).

Almost surely, 2^5306809 is an apocalyptic number.

It is an amenable number.

5306809 is a deficient number, since it is larger than the sum of its proper divisors (1).

5306809 is an equidigital number, since it uses as much as digits as its factorization.

5306809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 5306809 is about 2303.6512322832. The cubic root of 5306809 is about 174.4259722177.

The spelling of 5306809 in words is "five million, three hundred six thousand, eight hundred nine".