42331933 has 6 divisors (see below), whose sum is σ = 49243326. Its totient is φ = 36284472.

The previous prime is 42331931. The next prime is 42331963. The reversal of 42331933 is 33913324.

It can be written as a sum of positive squares in only one way, i.e., 40487769 + 1844164 = 6363^2 + 1358^2 .

It is not a de Polignac number, because 42331933 - 2¹ = 42331931 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42331931) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 431910 + ... + 432007.

It is an arithmetic number, because the mean of its divisors is an integer number (8207221).

Almost surely, 2^42331933 is an apocalyptic number.

It is an amenable number.

42331933 is a deficient number, since it is larger than the sum of its proper divisors (6911393).

42331933 is an equidigital number, since it uses as much as digits as its factorization.

42331933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863931 (or 863924 counting only the distinct ones).

The product of its digits is 5832, while the sum is 28.

The square root of 42331933 is about 6506.2994858829. The cubic root of 42331933 is about 348.5159832579.

It can be divided in two parts, 42331 and 933, that added together give a square (43264 = 208²).

The spelling of 42331933 in words is "forty-two million, three hundred thirty-one thousand, nine hundred thirty-three".