42046033 has 4 divisors (see below), whose sum is σ = 43071588. Its totient is φ = 41020480.

The previous prime is 42046007. The next prime is 42046087. The reversal of 42046033 is 33064024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24127744 + 17918289 = 4912^2 + 4233^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42046033 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42045995 and 42046013.

It is not an unprimeable number, because it can be changed into a prime (42043033) 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, 512716 + ... + 512797.

It is an arithmetic number, because the mean of its divisors is an integer number (10767897).

Almost surely, 2^42046033 is an apocalyptic number.

It is an amenable number.

42046033 is a deficient number, since it is larger than the sum of its proper divisors (1025555).

42046033 is a wasteful number, since it uses less digits than its factorization.

42046033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025554.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 42046033 is about 6484.2912488567. The cubic root of 42046033 is about 347.7296117197.

Subtracting from 42046033 its reverse (33064024), we obtain a square (8982009 = 2997²).

The spelling of 42046033 in words is "forty-two million, forty-six thousand, thirty-three".