325865 has 4 divisors (see below), whose sum is σ = 391044. Its totient is φ = 260688.

The previous prime is 325861. The next prime is 325877. The reversal of 325865 is 568523.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35344 + 290521 = 188^2 + 539^2 .

It is a cyclic number.

It is not a de Polignac number, because 325865 - 2² = 325861 is a prime.

It is a Duffinian number.

It is a Curzon 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 325865.

It is not an unprimeable number, because it can be changed into a prime (325861) 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, 32582 + ... + 32591.

It is an arithmetic number, because the mean of its divisors is an integer number (97761).

2³²⁵⁸⁶⁵ is an apocalyptic number.

It is an amenable number.

325865 is a deficient number, since it is larger than the sum of its proper divisors (65179).

325865 is an equidigital number, since it uses as much as digits as its factorization.

325865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65178.

The product of its digits is 7200, while the sum is 29.

The square root of 325865 is about 570.8458636094. The cubic root of 325865 is about 68.8143859632.

The spelling of 325865 in words is "three hundred twenty-five thousand, eight hundred sixty-five".