652823 has 4 divisors (see below), whose sum is σ = 654480. Its totient is φ = 651168.

The previous prime is 652811. The next prime is 652831. The reversal of 652823 is 328256.

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

It is a cyclic number.

It is not a de Polignac number, because 652823 - 2⁶ = 652759 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 652792 and 652801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652853) 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, 143 + ... + 1151.

It is an arithmetic number, because the mean of its divisors is an integer number (163620).

2⁶⁵²⁸²³ is an apocalyptic number.

652823 is a deficient number, since it is larger than the sum of its proper divisors (1657).

652823 is a wasteful number, since it uses less digits than its factorization.

652823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656.

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

The square root of 652823 is about 807.9746283145. The cubic root of 652823 is about 86.7491341923.

The spelling of 652823 in words is "six hundred fifty-two thousand, eight hundred twenty-three".