164325 has 24 divisors (see below), whose sum is σ = 311488. Its totient is φ = 74880.

The previous prime is 164321. The next prime is 164341. The reversal of 164325 is 523461.

It is a happy number.

It is not a de Polignac number, because 164325 - 2² = 164321 is a prime.

It is a super-4 number, since 4×164325⁴ (a number of 22 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

164325 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 164325.

It is not an unprimeable number, because it can be changed into a prime (164321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 369 + ... + 681.

2¹⁶⁴³²⁵ is an apocalyptic number.

164325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164325 is a deficient number, since it is larger than the sum of its proper divisors (147163).

164325 is a wasteful number, since it uses less digits than its factorization.

164325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 328 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 164325 is about 405.3702011742. The cubic root of 164325 is about 54.7731704851.

Adding to 164325 its reverse (523461), we get a palindrome (687786).

The spelling of 164325 in words is "one hundred sixty-four thousand, three hundred twenty-five".