164825 has 12 divisors (see below), whose sum is σ = 215760. Its totient is φ = 124560.

The previous prime is 164821. The next prime is 164831. The reversal of 164825 is 528461.

164825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164825 - 2² = 164821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164794 and 164803.

It is not an unprimeable number, because it can be changed into a prime (164821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 302 + ... + 648.

It is an arithmetic number, because the mean of its divisors is an integer number (17980).

2¹⁶⁴⁸²⁵ is an apocalyptic number.

It is an amenable number.

164825 is a deficient number, since it is larger than the sum of its proper divisors (50935).

164825 is a wasteful number, since it uses less digits than its factorization.

164825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376 (or 371 counting only the distinct ones).

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

The square root of 164825 is about 405.9864529760. The cubic root of 164825 is about 54.8286679347.

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

The spelling of 164825 in words is "one hundred sixty-four thousand, eight hundred twenty-five".