104563 has 4 divisors (see below), whose sum is σ = 107968. Its totient is φ = 101160.

The previous prime is 104561. The next prime is 104579. The reversal of 104563 is 365401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 365401 = 23 ⋅15887.

It is a cyclic number.

It is not a de Polignac number, because 104563 - 2¹ = 104561 is a prime.

It is a Duffinian number.

104563 is a lucky number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 104563.

It is not an unprimeable number, because it can be changed into a prime (104561) 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, 1656 + ... + 1717.

It is an arithmetic number, because the mean of its divisors is an integer number (26992).

2¹⁰⁴⁵⁶³ is an apocalyptic number.

104563 is a deficient number, since it is larger than the sum of its proper divisors (3405).

104563 is an equidigital number, since it uses as much as digits as its factorization.

104563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 104563 is about 323.3620262183. The cubic root of 104563 is about 47.1114001522. Note that the first 3 decimals are identical.

Adding to 104563 its reverse (365401), we get a palindrome (469964).

The spelling of 104563 in words is "one hundred four thousand, five hundred sixty-three".