33530045 has 4 divisors (see below), whose sum is σ = 40236060. Its totient is φ = 26824032.

The previous prime is 33530023. The next prime is 33530059. The reversal of 33530045 is 54003533.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54003533 = 1051 ⋅51383.

It can be written as a sum of positive squares in 2 ways, for example, as 14546596 + 18983449 = 3814^2 + 4357^2 .

It is a cyclic number.

It is not a de Polignac number, because 33530045 - 2⁸ = 33529789 is a prime.

It is a super-2 number, since 2×33530045² = 2248527835404050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33530045.

It is a congruent number.

It is an unprimeable number.

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, 3353000 + ... + 3353009.

It is an arithmetic number, because the mean of its divisors is an integer number (10059015).

Almost surely, 2^33530045 is an apocalyptic number.

It is an amenable number.

33530045 is a deficient number, since it is larger than the sum of its proper divisors (6706015).

33530045 is an equidigital number, since it uses as much as digits as its factorization.

33530045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6706014.

The product of its (nonzero) digits is 2700, while the sum is 23.

The square root of 33530045 is about 5790.5133623885. The cubic root of 33530045 is about 322.4616303529.

Adding to 33530045 its reverse (54003533), we get a palindrome (87533578).

The spelling of 33530045 in words is "thirty-three million, five hundred thirty thousand, forty-five".