33490033 has 4 divisors (see below), whose sum is σ = 33583680. Its totient is φ = 33396388.

The previous prime is 33490031. The next prime is 33490043. The reversal of 33490033 is 33009433.

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: 33009433 = 5209 ⋅6337.

It is a cyclic number.

It is not a de Polignac number, because 33490033 - 2¹ = 33490031 is a prime.

It is a super-2 number, since 2×33490033² = 2243164620682178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33490031) 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, 46285 + ... + 47002.

It is an arithmetic number, because the mean of its divisors is an integer number (8395920).

Almost surely, 2^33490033 is an apocalyptic number.

It is an amenable number.

33490033 is a deficient number, since it is larger than the sum of its proper divisors (93647).

33490033 is an equidigital number, since it uses as much as digits as its factorization.

33490033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93646.

The product of its (nonzero) digits is 2916, while the sum is 25.

The square root of 33490033 is about 5787.0573696828. The cubic root of 33490033 is about 322.3333128956. Note that the first 4 decimals are identical.

Adding to 33490033 its reverse (33009433), we get a palindrome (66499466).

The spelling of 33490033 in words is "thirty-three million, four hundred ninety thousand, thirty-three".