325232165 has 4 divisors (see below), whose sum is σ = 390278604. Its totient is φ = 260185728.

The previous prime is 325232161. The next prime is 325232189. The reversal of 325232165 is 561232523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 561232523 = 787 ⋅713129.

It can be written as a sum of positive squares in 2 ways, for example, as 75307684 + 249924481 = 8678^2 + 15809^2 .

It is a cyclic number.

It is not a de Polignac number, because 325232165 - 2² = 325232161 is a prime.

It is a super-2 number, since 2×325232165² = 211551922301174450, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325232161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32523212 + ... + 32523221.

It is an arithmetic number, because the mean of its divisors is an integer number (97569651).

Almost surely, 2^325232165 is an apocalyptic number.

It is an amenable number.

325232165 is a deficient number, since it is larger than the sum of its proper divisors (65046439).

325232165 is an equidigital number, since it uses as much as digits as its factorization.

325232165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65046438.

The product of its digits is 10800, while the sum is 29.

The square root of 325232165 is about 18034.1943263346. The cubic root of 325232165 is about 687.6981088582.

Adding to 325232165 its reverse (561232523), we get a palindrome (886464688).

The spelling of 325232165 in words is "three hundred twenty-five million, two hundred thirty-two thousand, one hundred sixty-five".