326345 has 4 divisors (see below), whose sum is σ = 391620. Its totient is φ = 261072.

The previous prime is 326323. The next prime is 326351. The reversal of 326345 is 543623.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543623 = 179 ⋅3037.

It can be written as a sum of positive squares in 2 ways, for example, as 85264 + 241081 = 292^2 + 491^2 .

It is a cyclic number.

It is not a de Polignac number, because 326345 - 2¹² = 322249 is a prime.

It is a d-powerful number, because it can be written as 3⁶ + 2 + 3¹⁰ + 6⁴ + 4⁹ + 5⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 326345.

It is a congruent number.

It is an unprimeable number.

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, 32630 + ... + 32639.

It is an arithmetic number, because the mean of its divisors is an integer number (97905).

2³²⁶³⁴⁵ is an apocalyptic number.

It is an amenable number.

326345 is a deficient number, since it is larger than the sum of its proper divisors (65275).

326345 is an equidigital number, since it uses as much as digits as its factorization.

326345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65274.

The product of its digits is 2160, while the sum is 23.

The square root of 326345 is about 571.2661376276. The cubic root of 326345 is about 68.8481573106.

Adding to 326345 its reverse (543623), we get a palindrome (869968).

The spelling of 326345 in words is "three hundred twenty-six thousand, three hundred forty-five".