5085809 has 2 divisors, whose sum is σ = 5085810. Its totient is φ = 5085808.

The previous prime is 5085803. The next prime is 5085841. The reversal of 5085809 is 9085805.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5085025 + 784 = 2255^2 + 28^2 .

It is a cyclic number.

It is not a de Polignac number, because 5085809 - 2²⁰ = 4037233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5085803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2542904 + 2542905.

It is an arithmetic number, because the mean of its divisors is an integer number (2542905).

Almost surely, 2^5085809 is an apocalyptic number.

It is an amenable number.

5085809 is a deficient number, since it is larger than the sum of its proper divisors (1).

5085809 is an equidigital number, since it uses as much as digits as its factorization.

5085809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 5085809 is about 2255.1738292203. The cubic root of 5085809 is about 171.9702603170.

The spelling of 5085809 in words is "five million, eighty-five thousand, eight hundred nine".