42968017 has 2 divisors, whose sum is σ = 42968018. Its totient is φ = 42968016.

The previous prime is 42967999. The next prime is 42968047. The reversal of 42968017 is 71086924.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24512401 + 18455616 = 4951^2 + 4296^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42968017 is a prime.

It is not a weakly prime, because it can be changed into another prime (42968047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21484008 + 21484009.

It is an arithmetic number, because the mean of its divisors is an integer number (21484009).

Almost surely, 2^42968017 is an apocalyptic number.

It is an amenable number.

42968017 is a deficient number, since it is larger than the sum of its proper divisors (1).

42968017 is an equidigital number, since it uses as much as digits as its factorization.

42968017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 42968017 is about 6554.9993897788. Note that the first 3 decimals coincide. The cubic root of 42968017 is about 350.2529246650.

The spelling of 42968017 in words is "forty-two million, nine hundred sixty-eight thousand, seventeen".