243341033 has 4 divisors (see below), whose sum is σ = 262059588. Its totient is φ = 224622480.

The previous prime is 243341029. The next prime is 243341039. The reversal of 243341033 is 330143342.

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 69839449 + 173501584 = 8357^2 + 13172^2 .

It is a cyclic number.

It is not a de Polignac number, because 243341033 - 2² = 243341029 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243341039) 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, 9359258 + ... + 9359283.

It is an arithmetic number, because the mean of its divisors is an integer number (65514897).

Almost surely, 2^243341033 is an apocalyptic number.

It is an amenable number.

243341033 is a deficient number, since it is larger than the sum of its proper divisors (18718555).

243341033 is a wasteful number, since it uses less digits than its factorization.

243341033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18718554.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 243341033 is about 15599.3920714879. The cubic root of 243341033 is about 624.3169352413.

Adding to 243341033 its reverse (330143342), we get a palindrome (573484375).

The spelling of 243341033 in words is "two hundred forty-three million, three hundred forty-one thousand, thirty-three".