326543 has 4 divisors (see below), whose sum is σ = 373200. Its totient is φ = 279888.

The previous prime is 326539. The next prime is 326549. The reversal of 326543 is 345623.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345623 = 577 ⋅599.

It is not a de Polignac number, because 326543 - 2² = 326539 is a prime.

It is a d-powerful number, because it can be written as 3⁷ + 2⁵ + 5⁵ + 6 + 4⁹ + 3¹⁰ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326549) 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, 23318 + ... + 23331.

It is an arithmetic number, because the mean of its divisors is an integer number (93300).

2³²⁶⁵⁴³ is an apocalyptic number.

326543 is a deficient number, since it is larger than the sum of its proper divisors (46657).

326543 is an equidigital number, since it uses as much as digits as its factorization.

326543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46656.

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

The square root of 326543 is about 571.4394106115. The cubic root of 326543 is about 68.8620783442.

The spelling of 326543 in words is "three hundred twenty-six thousand, five hundred forty-three".