33011045 has 4 divisors (see below), whose sum is σ = 39613260. Its totient is φ = 26408832.

The previous prime is 33011023. The next prime is 33011047. The reversal of 33011045 is 54011033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54011033 = 593 ⋅91081.

It can be written as a sum of positive squares in 2 ways, for example, as 19695844 + 13315201 = 4438^2 + 3649^2 .

It is a cyclic number.

It is not a de Polignac number, because 33011045 - 2¹⁸ = 32748901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33011047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3301100 + ... + 3301109.

It is an arithmetic number, because the mean of its divisors is an integer number (9903315).

Almost surely, 2^33011045 is an apocalyptic number.

It is an amenable number.

33011045 is a deficient number, since it is larger than the sum of its proper divisors (6602215).

33011045 is an equidigital number, since it uses as much as digits as its factorization.

33011045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6602214.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 33011045 is about 5745.5239099668. The cubic root of 33011045 is about 320.7892140753.

Adding to 33011045 its reverse (54011033), we get a palindrome (87022078).

The spelling of 33011045 in words is "thirty-three million, eleven thousand, forty-five".