33042051 has 48 divisors (see below), whose sum is σ = 56609280. Its totient is φ = 18184320.

The previous prime is 33042047. The next prime is 33042059. The reversal of 33042051 is 15024033.

It is not a de Polignac number, because 33042051 - 2² = 33042047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (33042059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 371215 + ... + 371303.

It is an arithmetic number, because the mean of its divisors is an integer number (1179360).

Almost surely, 2^33042051 is an apocalyptic number.

33042051 is a deficient number, since it is larger than the sum of its proper divisors (23567229).

33042051 is a wasteful number, since it uses less digits than its factorization.

33042051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 33042051 is about 5748.2215510539. The cubic root of 33042051 is about 320.8896176211.

Adding to 33042051 its reverse (15024033), we get a palindrome (48066084).

The spelling of 33042051 in words is "thirty-three million, forty-two thousand, fifty-one".