33530109 has 4 divisors (see below), whose sum is σ = 44706816. Its totient is φ = 22353404.

The previous prime is 33530071. The next prime is 33530179. The reversal of 33530109 is 90103533.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33530109 - 2¹⁵ = 33497341 is a prime.

It is a super-2 number, since 2×33530109² = 2248536419103762, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33530179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5588349 + ... + 5588354.

It is an arithmetic number, because the mean of its divisors is an integer number (11176704).

Almost surely, 2^33530109 is an apocalyptic number.

It is an amenable number.

33530109 is a deficient number, since it is larger than the sum of its proper divisors (11176707).

33530109 is a wasteful number, since it uses less digits than its factorization.

33530109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11176706.

The product of its (nonzero) digits is 1215, while the sum is 24.

The square root of 33530109 is about 5790.5188886662. The cubic root of 33530109 is about 322.4618355175.

The spelling of 33530109 in words is "thirty-three million, five hundred thirty thousand, one hundred nine".