33042243 has 8 divisors (see below), whose sum is σ = 47445328. Its totient is φ = 20333664.

The previous prime is 33042241. The next prime is 33042257. The reversal of 33042243 is 34224033.

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

It is not a de Polignac number, because 33042243 - 2¹ = 33042241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33042241) 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, 423580 + ... + 423657.

It is an arithmetic number, because the mean of its divisors is an integer number (5930666).

Almost surely, 2^33042243 is an apocalyptic number.

33042243 is a deficient number, since it is larger than the sum of its proper divisors (14403085).

33042243 is a wasteful number, since it uses less digits than its factorization.

33042243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847253.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 33042243 is about 5748.2382518473. The cubic root of 33042243 is about 320.8902391593.

Adding to 33042243 its reverse (34224033), we get a palindrome (67266276).

The spelling of 33042243 in words is "thirty-three million, forty-two thousand, two hundred forty-three".