4518530 has 16 divisors (see below), whose sum is σ = 8226360. Its totient is φ = 1786752.

The previous prime is 4518517. The next prime is 4518539. The reversal of 4518530 is 358154.

It can be written as a sum of positive squares in 4 ways, for example, as 4068289 + 450241 = 2017^2 + 671^2 .

It is a super-2 number, since 2×4518530² = 40834226721800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4518530.

It is not an unprimeable number, because it can be changed into a prime (4518539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1649 + ... + 3428.

Almost surely, 2^4518530 is an apocalyptic number.

4518530 is a deficient number, since it is larger than the sum of its proper divisors (3707830).

4518530 is a wasteful number, since it uses less digits than its factorization.

4518530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5173.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 4518530 is about 2125.6834195148. The cubic root of 4518530 is about 165.3226621552.

The spelling of 4518530 in words is "four million, five hundred eighteen thousand, five hundred thirty".