325731165 has 16 divisors (see below), whose sum is σ = 535256448. Its totient is φ = 169027776.

The previous prime is 325731157. The next prime is 325731191. The reversal of 325731165 is 561137523.

It is not a de Polignac number, because 325731165 - 2³ = 325731157 is a prime.

It is a super-2 number, since 2×325731165² = 212201583704514450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292897 + ... + 294006.

It is an arithmetic number, because the mean of its divisors is an integer number (33453528).

Almost surely, 2^325731165 is an apocalyptic number.

It is an amenable number.

325731165 is a deficient number, since it is larger than the sum of its proper divisors (209525283).

325731165 is a wasteful number, since it uses less digits than its factorization.

325731165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586948.

The product of its digits is 18900, while the sum is 33.

The square root of 325731165 is about 18048.0238530427. The cubic root of 325731165 is about 688.0496382576.

Adding to 325731165 its reverse (561137523), we get a palindrome (886868688).

The spelling of 325731165 in words is "three hundred twenty-five million, seven hundred thirty-one thousand, one hundred sixty-five".