324281 has 4 divisors (see below), whose sum is σ = 328272. Its totient is φ = 320292.

The previous prime is 324251. The next prime is 324293. The reversal of 324281 is 182423.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 324281 - 2⁶ = 324217 is a prime.

It is a super-2 number, since 2×324281² = 210316333922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 324281.

It is not an unprimeable number, because it can be changed into a prime (324211) 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, 1871 + ... + 2036.

It is an arithmetic number, because the mean of its divisors is an integer number (82068).

2³²⁴²⁸¹ is an apocalyptic number.

It is an amenable number.

324281 is a deficient number, since it is larger than the sum of its proper divisors (3991).

324281 is an equidigital number, since it uses as much as digits as its factorization.

324281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3990.

The product of its digits is 384, while the sum is 20.

The square root of 324281 is about 569.4567586744. The cubic root of 324281 is about 68.7027046616.

The spelling of 324281 in words is "three hundred twenty-four thousand, two hundred eighty-one".