42033905 has 8 divisors (see below), whose sum is σ = 52180200. Its totient is φ = 32467456.

The previous prime is 42033863. The next prime is 42033907. The reversal of 42033905 is 50933024.

It can be written as a sum of positive squares in 4 ways, for example, as 341056 + 41692849 = 584^2 + 6457^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42033905 - 2⁶ = 42033841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42033907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144800 + ... + 145089.

It is an arithmetic number, because the mean of its divisors is an integer number (6522525).

Almost surely, 2^42033905 is an apocalyptic number.

It is an amenable number.

42033905 is a deficient number, since it is larger than the sum of its proper divisors (10146295).

42033905 is a wasteful number, since it uses less digits than its factorization.

42033905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289923.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 42033905 is about 6483.3559982466. The cubic root of 42033905 is about 347.6961747937.

Adding to 42033905 its reverse (50933024), we get a palindrome (92966929).

The spelling of 42033905 in words is "forty-two million, thirty-three thousand, nine hundred five".