868573 has 4 divisors (see below), whose sum is σ = 873180. Its totient is φ = 863968.

The previous prime is 868561. The next prime is 868577. The reversal of 868573 is 375868.

868573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 492804 + 375769 = 702^2 + 613^2 .

It is a cyclic number.

It is not a de Polignac number, because 868573 - 2¹³ = 860381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868577) 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, 2008 + ... + 2401.

It is an arithmetic number, because the mean of its divisors is an integer number (218295).

2⁸⁶⁸⁵⁷³ is an apocalyptic number.

It is an amenable number.

868573 is a deficient number, since it is larger than the sum of its proper divisors (4607).

868573 is a wasteful number, since it uses less digits than its factorization.

868573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4606.

The product of its digits is 40320, while the sum is 37.

The square root of 868573 is about 931.9726390834. The cubic root of 868573 is about 95.4118042139.

It can be divided in two parts, 868 and 573, that added together give a palindrome (1441).

The spelling of 868573 in words is "eight hundred sixty-eight thousand, five hundred seventy-three".