33305042 has 8 divisors (see below), whose sum is σ = 50051532. Its totient is φ = 16621200.

The previous prime is 33305011. The next prime is 33305071. The reversal of 33305042 is 24050333.

It can be written as a sum of positive squares in 2 ways, for example, as 31933801 + 1371241 = 5651^2 + 1171^2 .

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

It is a super-2 number, since 2×33305042² = 2218451645243528, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 33305042 parts by 8161 straight cuts.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14309 + ... + 16472.

Almost surely, 2^33305042 is an apocalyptic number.

33305042 is a deficient number, since it is larger than the sum of its proper divisors (16746490).

33305042 is a wasteful number, since it uses less digits than its factorization.

33305042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31324.

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 33305042 is about 5771.0520704634. The cubic root of 33305042 is about 321.7387191571.

Adding to 33305042 its reverse (24050333), we get a palindrome (57355375).

The spelling of 33305042 in words is "thirty-three million, three hundred five thousand, forty-two".