243341 has 4 divisors (see below), whose sum is σ = 278112. Its totient is φ = 208572.

The previous prime is 243311. The next prime is 243343. The reversal of 243341 is 143342.

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, and also an emirpimes, since its reverse is a distinct semiprime: 143342 = 2 ⋅71671.

It is a de Polignac number, because none of the positive numbers 2^k-243341 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 4³ + 3⁴ + 3¹¹ + 4⁸ + 1 .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243343) 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, 17375 + ... + 17388.

It is an arithmetic number, because the mean of its divisors is an integer number (69528).

2²⁴³³⁴¹ is an apocalyptic number.

It is an amenable number.

243341 is a deficient number, since it is larger than the sum of its proper divisors (34771).

243341 is an equidigital number, since it uses as much as digits as its factorization.

243341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34770.

The product of its digits is 288, while the sum is 17.

The square root of 243341 is about 493.2960571503. The cubic root of 243341 is about 62.4316907020.

Adding to 243341 its reverse (143342), we get a palindrome (386683).

Subtracting from 243341 its reverse (143342), we obtain a palindrome (99999).

The spelling of 243341 in words is "two hundred forty-three thousand, three hundred forty-one", and thus it is an iban number.