42363317 has 2 divisors, whose sum is σ = 42363318. Its totient is φ = 42363316.

The previous prime is 42363313. The next prime is 42363323. The reversal of 42363317 is 71336324.

It is a happy number.

42363317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36168196 + 6195121 = 6014^2 + 2489^2 .

It is a cyclic number.

It is not a de Polignac number, because 42363317 - 2² = 42363313 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42363317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42363311) 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, 21181658 + 21181659.

It is an arithmetic number, because the mean of its divisors is an integer number (21181659).

Almost surely, 2^42363317 is an apocalyptic number.

It is an amenable number.

42363317 is a deficient number, since it is larger than the sum of its proper divisors (1).

42363317 is an equidigital number, since it uses as much as digits as its factorization.

42363317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 29.

The square root of 42363317 is about 6508.7108554613. The cubic root of 42363317 is about 348.6020894425.

The spelling of 42363317 in words is "forty-two million, three hundred sixty-three thousand, three hundred seventeen".