326545 has 4 divisors (see below), whose sum is σ = 391860. Its totient is φ = 261232.

The previous prime is 326539. The next prime is 326549. The reversal of 326545 is 545623.

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 199809 + 126736 = 447^2 + 356^2 .

It is a cyclic number.

It is not a de Polignac number, because 326545 - 2³ = 326537 is a prime.

It is a d-powerful number, because it can be written as 3¹⁰ + 2¹⁸ + 5⁴ + 6 + 4⁶ + 5⁴ .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 326545.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32650 + ... + 32659.

It is an arithmetic number, because the mean of its divisors is an integer number (97965).

2³²⁶⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

326545 is a deficient number, since it is larger than the sum of its proper divisors (65315).

326545 is an equidigital number, since it uses as much as digits as its factorization.

326545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65314.

The product of its digits is 3600, while the sum is 25.

The square root of 326545 is about 571.4411605756. The cubic root of 326545 is about 68.8622189320.

The spelling of 326545 in words is "three hundred twenty-six thousand, five hundred forty-five".