42417017 has 2 divisors, whose sum is σ = 42417018. Its totient is φ = 42417016.

The previous prime is 42416977. The next prime is 42417041. The reversal of 42417017 is 71071424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40819321 + 1597696 = 6389^2 + 1264^2 .

It is a cyclic number.

It is not a de Polignac number, because 42417017 - 2⁶ = 42416953 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42414017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21208508 + 21208509.

It is an arithmetic number, because the mean of its divisors is an integer number (21208509).

Almost surely, 2^42417017 is an apocalyptic number.

It is an amenable number.

42417017 is a deficient number, since it is larger than the sum of its proper divisors (1).

42417017 is an equidigital number, since it uses as much as digits as its factorization.

42417017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 42417017 is about 6512.8347898592. The cubic root of 42417017 is about 348.7493239625.

The spelling of 42417017 in words is "forty-two million, four hundred seventeen thousand, seventeen".