33243283 has 2 divisors, whose sum is σ = 33243284. Its totient is φ = 33243282.

The previous prime is 33243281. The next prime is 33243311. The reversal of 33243283 is 38234233.

It is an a-pointer prime, because the next prime (33243311) can be obtained adding 33243283 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33243283 - 2¹ = 33243281 is a prime.

It is a super-2 number, since 2×33243283² = 2210231729236178, which contains 22 as substring.

Together with 33243281, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (33243281) 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 as a sum of consecutive naturals, namely, 16621641 + 16621642.

It is an arithmetic number, because the mean of its divisors is an integer number (16621642).

Almost surely, 2^33243283 is an apocalyptic number.

33243283 is a deficient number, since it is larger than the sum of its proper divisors (1).

33243283 is an equidigital number, since it uses as much as digits as its factorization.

33243283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 28.

The square root of 33243283 is about 5765.6988301506. The cubic root of 33243283 is about 321.5397246993.

It can be divided in two parts, 3324328 and 3, that added together give a triangular number (3324331 = T₂₅₇₈).

The spelling of 33243283 in words is "thirty-three million, two hundred forty-three thousand, two hundred eighty-three".