33505042 has 8 divisors (see below), whose sum is σ = 50965632. Its totient is φ = 16516500.

The previous prime is 33505039. The next prime is 33505049. The reversal of 33505042 is 24050533.

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

It is a super-2 number, since 2×33505042² = 2245175678843528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33505049) 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 3 ways as a sum of consecutive naturals, for example, 117834 + ... + 118117.

It is an arithmetic number, because the mean of its divisors is an integer number (6370704).

Almost surely, 2^33505042 is an apocalyptic number.

33505042 is a deficient number, since it is larger than the sum of its proper divisors (17460590).

33505042 is a wasteful number, since it uses less digits than its factorization.

33505042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236024.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 33505042 is about 5788.3539974677. The cubic root of 33505042 is about 322.3814583458.

Adding to 33505042 its reverse (24050533), we get a palindrome (57555575).

The spelling of 33505042 in words is "thirty-three million, five hundred five thousand, forty-two".