825323 has 4 divisors (see below), whose sum is σ = 829248. Its totient is φ = 821400.

The previous prime is 825301. The next prime is 825329. The reversal of 825323 is 323528.

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 825323 - 2⁶ = 825259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (825329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1628 + ... + 2073.

It is an arithmetic number, because the mean of its divisors is an integer number (207312).

2⁸²⁵³²³ is an apocalyptic number.

825323 is a deficient number, since it is larger than the sum of its proper divisors (3925).

825323 is a wasteful number, since it uses less digits than its factorization.

825323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3924.

The product of its digits is 1440, while the sum is 23.

The square root of 825323 is about 908.4728944773. The cubic root of 825323 is about 93.8011110929.

The spelling of 825323 in words is "eight hundred twenty-five thousand, three hundred twenty-three".