33453009 has 12 divisors (see below), whose sum is σ = 48392656. Its totient is φ = 22268952.

The previous prime is 33453001. The next prime is 33453019. The reversal of 33453009 is 90035433.

It is not a de Polignac number, because 33453009 - 2³ = 33453001 is a prime.

It is a super-2 number, since 2×33453009² = 2238207622308162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33453001) 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 11 ways as a sum of consecutive naturals, for example, 4722 + ... + 9444.

Almost surely, 2^33453009 is an apocalyptic number.

It is an amenable number.

33453009 is a deficient number, since it is larger than the sum of its proper divisors (14939647).

33453009 is a wasteful number, since it uses less digits than its factorization.

33453009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5516 (or 5513 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 33453009 is about 5783.8576227290. The cubic root of 33453009 is about 322.2144868051.

The spelling of 33453009 in words is "thirty-three million, four hundred fifty-three thousand, nine".