860563 has 4 divisors (see below), whose sum is σ = 938808. Its totient is φ = 782320.

The previous prime is 860543. The next prime is 860569. The reversal of 860563 is 365068.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 860563 - 2⁹ = 860051 is a prime.

It is a Duffinian number.

860563 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (860569) 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, 39106 + ... + 39127.

It is an arithmetic number, because the mean of its divisors is an integer number (234702).

2⁸⁶⁰⁵⁶³ is an apocalyptic number.

860563 is a deficient number, since it is larger than the sum of its proper divisors (78245).

860563 is a wasteful number, since it uses less digits than its factorization.

860563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78244.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 860563 is about 927.6653491427. The cubic root of 860563 is about 95.1176013592.

It can be divided in two parts, 8605 and 63, that added together give a palindrome (8668).

The spelling of 860563 in words is "eight hundred sixty thousand, five hundred sixty-three".