33000109 has 4 divisors (see below), whose sum is σ = 33035904. Its totient is φ = 32964316.

The previous prime is 33000103. The next prime is 33000119. The reversal of 33000109 is 90100033.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 90100033 = 19 ⋅4742107.

It is a cyclic number.

It is not a de Polignac number, because 33000109 - 2¹⁷ = 32869037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33000092 and 33000101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33000103) 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, 16477 + ... + 18370.

It is an arithmetic number, because the mean of its divisors is an integer number (8258976).

Almost surely, 2^33000109 is an apocalyptic number.

It is an amenable number.

33000109 is a deficient number, since it is larger than the sum of its proper divisors (35795).

33000109 is an equidigital number, since it uses as much as digits as its factorization.

33000109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35794.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 33000109 is about 5744.5721337624. The cubic root of 33000109 is about 320.7537861520.

The spelling of 33000109 in words is "thirty-three million, one hundred nine", and thus it is an aban number.