4681563 has 8 divisors (see below), whose sum is σ = 6327888. Its totient is φ = 3078144.

The previous prime is 4681561. The next prime is 4681597. The reversal of 4681563 is 3651864.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4681563 - 2¹ = 4681561 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

4681563 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4681561) 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, 10470 + ... + 10907.

It is an arithmetic number, because the mean of its divisors is an integer number (790986).

Almost surely, 2^4681563 is an apocalyptic number.

4681563 is a deficient number, since it is larger than the sum of its proper divisors (1646325).

4681563 is a wasteful number, since it uses less digits than its factorization.

4681563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21453.

The product of its digits is 17280, while the sum is 33.

The square root of 4681563 is about 2163.6919836243. The cubic root of 4681563 is about 167.2875512529.

The spelling of 4681563 in words is "four million, six hundred eighty-one thousand, five hundred sixty-three".