33243 has 8 divisors (see below), whose sum is σ = 50688. Its totient is φ = 18984.

The previous prime is 33223. The next prime is 33247. The reversal of 33243 is 34233.

33243 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33243 - 2⁵ = 33211 is a prime.

It is a super-2 number, since 2×33243² = 2210194098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771 + ... + 812.

It is an arithmetic number, because the mean of its divisors is an integer number (6336).

2³³²⁴³ is an apocalyptic number.

33243 is a deficient number, since it is larger than the sum of its proper divisors (17445).

33243 is a wasteful number, since it uses less digits than its factorization.

33243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593.

The product of its digits is 216, while the sum is 15.

The square root of 33243 is about 182.3266299804. The cubic root of 33243 is about 32.1538812274.

Adding to 33243 its reverse (34233), we get a palindrome (67476).

Subtracting 33243 from its reverse (34233), we obtain a triangular number (990 = T₄₄).

It can be divided in two parts, 33 and 243, that added together give a triangular number (276 = T₂₃).

The spelling of 33243 in words is "thirty-three thousand, two hundred forty-three".