825583 has 6 divisors (see below), whose sum is σ = 907592. Its totient is φ = 750420.

The previous prime is 825577. The next prime is 825593. The reversal of 825583 is 385528.

It is not a de Polignac number, because 825583 - 2⁵ = 825551 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 (825533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3291 + ... + 3532.

2⁸²⁵⁵⁸³ is an apocalyptic number.

825583 is a deficient number, since it is larger than the sum of its proper divisors (82009).

825583 is a wasteful number, since it uses less digits than its factorization.

825583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6845 (or 6834 counting only the distinct ones).

The product of its digits is 9600, while the sum is 31.

The square root of 825583 is about 908.6159804890. The cubic root of 825583 is about 93.8109600564.

It can be divided in two parts, 8255 and 83, that added together give a palindrome (8338).

The spelling of 825583 in words is "eight hundred twenty-five thousand, five hundred eighty-three".