4530985 has 4 divisors (see below), whose sum is σ = 5437188. Its totient is φ = 3624784.

The previous prime is 4530943. The next prime is 4530997. The reversal of 4530985 is 5890354.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5890354 = 2 ⋅2945177.

It can be written as a sum of positive squares in 2 ways, for example, as 1527696 + 3003289 = 1236^2 + 1733^2 .

It is a cyclic number.

It is not a de Polignac number, because 4530985 - 2²¹ = 2433833 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4530985.

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, 453094 + ... + 453103.

It is an arithmetic number, because the mean of its divisors is an integer number (1359297).

Almost surely, 2^4530985 is an apocalyptic number.

It is an amenable number.

4530985 is a deficient number, since it is larger than the sum of its proper divisors (906203).

4530985 is an equidigital number, since it uses as much as digits as its factorization.

4530985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906202.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 4530985 is about 2128.6110494874. The cubic root of 4530985 is about 165.4744227746.

The spelling of 4530985 in words is "four million, five hundred thirty thousand, nine hundred eighty-five".