42065033 has 2 divisors, whose sum is σ = 42065034. Its totient is φ = 42065032.

The previous prime is 42065029. The next prime is 42065039. The reversal of 42065033 is 33056024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33953929 + 8111104 = 5827^2 + 2848^2 .

It is a cyclic number.

It is not a de Polignac number, because 42065033 - 2² = 42065029 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42065039) 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, 21032516 + 21032517.

It is an arithmetic number, because the mean of its divisors is an integer number (21032517).

Almost surely, 2^42065033 is an apocalyptic number.

It is an amenable number.

42065033 is a deficient number, since it is larger than the sum of its proper divisors (1).

42065033 is an equidigital number, since it uses as much as digits as its factorization.

42065033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 42065033 is about 6485.7561625457. The cubic root of 42065033 is about 347.7819818422.

Subtracting from 42065033 its reverse (33056024), we obtain a palindrome (9009009).

The spelling of 42065033 in words is "forty-two million, sixty-five thousand, thirty-three".