3005563 has 4 divisors (see below), whose sum is σ = 3278808. Its totient is φ = 2732320.

The previous prime is 3005551. The next prime is 3005573. The reversal of 3005563 is 3655003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3655003 = 11 ⋅332273.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3005563 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 not an unprimeable number, because it can be changed into a prime (3005503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136606 + ... + 136627.

It is an arithmetic number, because the mean of its divisors is an integer number (819702).

Almost surely, 2^3005563 is an apocalyptic number.

3005563 is a deficient number, since it is larger than the sum of its proper divisors (273245).

3005563 is a wasteful number, since it uses less digits than its factorization.

3005563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273244.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 3005563 is about 1733.6559635637. The cubic root of 3005563 is about 144.3140490331.

The spelling of 3005563 in words is "three million, five thousand, five hundred sixty-three".