4500805 has 4 divisors (see below), whose sum is σ = 5400972. Its totient is φ = 3600640.

The previous prime is 4500799. The next prime is 4500851. The reversal of 4500805 is 5080054.

It is a happy number.

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 3214849 + 1285956 = 1793^2 + 1134^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4500805 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450076 + ... + 450085.

It is an arithmetic number, because the mean of its divisors is an integer number (1350243).

Almost surely, 2^4500805 is an apocalyptic number.

It is an amenable number.

4500805 is a deficient number, since it is larger than the sum of its proper divisors (900167).

4500805 is an equidigital number, since it uses as much as digits as its factorization.

4500805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900166.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 4500805 is about 2121.5100753944. The cubic root of 4500805 is about 165.1062064927.

Adding to 4500805 its reverse (5080054), we get a palindrome (9580859).

The spelling of 4500805 in words is "four million, five hundred thousand, eight hundred five".