33505242 has 8 divisors (see below), whose sum is σ = 67010496. Its totient is φ = 11168412.

The previous prime is 33505229. The next prime is 33505247. The reversal of 33505242 is 24250533.

It is a sphenic number, since it is the product of 3 distinct primes.

33505242 is an admirable number.

It is a super-2 number, since 2×33505242² = 2245202482957128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33505247) 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, 2792098 + ... + 2792109.

It is an arithmetic number, because the mean of its divisors is an integer number (8376312).

Almost surely, 2^33505242 is an apocalyptic number.

33505242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33505242 is a wasteful number, since it uses less digits than its factorization.

33505242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5584212.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 33505242 is about 5788.3712735104. The cubic root of 33505242 is about 322.3820998031.

Adding to 33505242 its reverse (24250533), we get a palindrome (57755775).

The spelling of 33505242 in words is "thirty-three million, five hundred five thousand, two hundred forty-two".