325165 has 4 divisors (see below), whose sum is σ = 390204. Its totient is φ = 260128.

The previous prime is 325163. The next prime is 325181. The reversal of 325165 is 561523.

325165 = T₂₅₀ + T₂₅₁ + ... + T₂₅₉.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 561523 = 179 ⋅3137.

It can be written as a sum of positive squares in 2 ways, for example, as 224676 + 100489 = 474^2 + 317^2 .

It is a cyclic number.

It is not a de Polignac number, because 325165 - 2¹ = 325163 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian 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 325165.

It is not an unprimeable number, because it can be changed into a prime (325163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32512 + ... + 32521.

It is an arithmetic number, because the mean of its divisors is an integer number (97551).

2³²⁵¹⁶⁵ is an apocalyptic number.

It is an amenable number.

325165 is a deficient number, since it is larger than the sum of its proper divisors (65039).

325165 is an equidigital number, since it uses as much as digits as its factorization.

325165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65038.

The product of its digits is 900, while the sum is 22.

The square root of 325165 is about 570.2324087598. The cubic root of 325165 is about 68.7650765833.

Adding to 325165 its reverse (561523), we get a palindrome (886688).

The spelling of 325165 in words is "three hundred twenty-five thousand, one hundred sixty-five".