84563 has 4 divisors (see below), whose sum is σ = 85488. Its totient is φ = 83640.

The previous prime is 84559. The next prime is 84589. The reversal of 84563 is 36548.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 84563 - 2² = 84559 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (84503) 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, 308 + ... + 513.

It is an arithmetic number, because the mean of its divisors is an integer number (21372).

2⁸⁴⁵⁶³ is an apocalyptic number.

84563 is a deficient number, since it is larger than the sum of its proper divisors (925).

84563 is a wasteful number, since it uses less digits than its factorization.

84563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924.

The product of its digits is 2880, while the sum is 26.

The square root of 84563 is about 290.7971801789. The cubic root of 84563 is about 43.8928176321.

It can be divided in two parts, 845 and 63, that multiplied together give a palindrome (53235).

The spelling of 84563 in words is "eighty-four thousand, five hundred sixty-three".