825164 has 6 divisors (see below), whose sum is σ = 1444044. Its totient is φ = 412580.

The previous prime is 825161. The next prime is 825191. The reversal of 825164 is 461528.

825164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (825161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103142 + ... + 103149.

It is an arithmetic number, because the mean of its divisors is an integer number (240674).

2⁸²⁵¹⁶⁴ is an apocalyptic number.

It is an amenable number.

825164 is a deficient number, since it is larger than the sum of its proper divisors (618880).

825164 is a wasteful number, since it uses less digits than its factorization.

825164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206295 (or 206293 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 825164 is about 908.3853807718. The cubic root of 825164 is about 93.7950870536.

It can be divided in two parts, 825 and 164, that added together give a palindrome (989).

The spelling of 825164 in words is "eight hundred twenty-five thousand, one hundred sixty-four".