4580809 has 2 divisors, whose sum is σ = 4580810. Its totient is φ = 4580808.

The previous prime is 4580791. The next prime is 4580831. The reversal of 4580809 is 9080854.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4473225 + 107584 = 2115^2 + 328^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4580809 is a prime.

It is a super-2 number, since 2×4580809² = 41967622188962, which contains 22 as substring.

4580809 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4580879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2290404 + 2290405.

It is an arithmetic number, because the mean of its divisors is an integer number (2290405).

Almost surely, 2^4580809 is an apocalyptic number.

It is an amenable number.

4580809 is a deficient number, since it is larger than the sum of its proper divisors (1).

4580809 is an equidigital number, since it uses as much as digits as its factorization.

4580809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 4580809 is about 2140.2824579947. The cubic root of 4580809 is about 166.0787476571.

The spelling of 4580809 in words is "four million, five hundred eighty thousand, eight hundred nine".