39042193 has 2 divisors, whose sum is σ = 39042194. Its totient is φ = 39042192.

The previous prime is 39042161. The next prime is 39042197. The reversal of 39042193 is 39124093.

39042193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26132544 + 12909649 = 5112^2 + 3593^2 .

It is an emirp because it is prime and its reverse (39124093) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39042193 - 2⁵ = 39042161 is a prime.

It is not a weakly prime, because it can be changed into another prime (39042197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19521096 + 19521097.

It is an arithmetic number, because the mean of its divisors is an integer number (19521097).

Almost surely, 2^39042193 is an apocalyptic number.

It is an amenable number.

39042193 is a deficient number, since it is larger than the sum of its proper divisors (1).

39042193 is an equidigital number, since it uses as much as digits as its factorization.

39042193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 39042193 is about 6248.3752288095. The cubic root of 39042193 is about 339.2433954257.

The spelling of 39042193 in words is "thirty-nine million, forty-two thousand, one hundred ninety-three".