42003337 has 2 divisors, whose sum is σ = 42003338. Its totient is φ = 42003336.

The previous prime is 42003329. The next prime is 42003371. The reversal of 42003337 is 73330024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22810176 + 19193161 = 4776^2 + 4381^2 .

It is a cyclic number.

It is not a de Polignac number, because 42003337 - 2³ = 42003329 is a prime.

It is not a weakly prime, because it can be changed into another prime (42003317) 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 as a sum of consecutive naturals, namely, 21001668 + 21001669.

It is an arithmetic number, because the mean of its divisors is an integer number (21001669).

Almost surely, 2^42003337 is an apocalyptic number.

It is an amenable number.

42003337 is a deficient number, since it is larger than the sum of its proper divisors (1).

42003337 is an equidigital number, since it uses as much as digits as its factorization.

42003337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 22.

The square root of 42003337 is about 6480.9981484336. The cubic root of 42003337 is about 347.6118701980.

The spelling of 42003337 in words is "forty-two million, three thousand, three hundred thirty-seven".