825733564 has 12 divisors (see below), whose sum is σ = 1454733000. Its totient is φ = 410095568.

The previous prime is 825733561. The next prime is 825733583. The reversal of 825733564 is 465337528.

It is a super-2 number, since 2×825733564² = 1363671837432284192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 825733564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825733561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692134 + ... + 693325.

It is an arithmetic number, because the mean of its divisors is an integer number (121227750).

Almost surely, 2^825733564 is an apocalyptic number.

It is an amenable number.

825733564 is a deficient number, since it is larger than the sum of its proper divisors (628999436).

825733564 is a wasteful number, since it uses less digits than its factorization.

825733564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385612 (or 1385610 counting only the distinct ones).

The product of its digits is 604800, while the sum is 43.

The square root of 825733564 is about 28735.5801055068. The cubic root of 825733564 is about 938.1666257000.

The spelling of 825733564 in words is "eight hundred twenty-five million, seven hundred thirty-three thousand, five hundred sixty-four".