33204413 has 4 divisors (see below), whose sum is σ = 36223008. Its totient is φ = 30185820.

The previous prime is 33204403. The next prime is 33204421. The reversal of 33204413 is 31440233.

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 33204413 - 2¹² = 33200317 is a prime.

It is a super-2 number, since 2×33204413² = 2205066085349138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33204403) 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, 1509281 + ... + 1509302.

It is an arithmetic number, because the mean of its divisors is an integer number (9055752).

Almost surely, 2^33204413 is an apocalyptic number.

It is an amenable number.

33204413 is a deficient number, since it is larger than the sum of its proper divisors (3018595).

33204413 is a wasteful number, since it uses less digits than its factorization.

33204413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3018594.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 33204413 is about 5762.3270472961. The cubic root of 33204413 is about 321.4143547763.

Adding to 33204413 its reverse (31440233), we get a palindrome (64644646).

The spelling of 33204413 in words is "thirty-three million, two hundred four thousand, four hundred thirteen".