42095717 has 2 divisors, whose sum is σ = 42095718. Its totient is φ = 42095716.

The previous prime is 42095707. The next prime is 42095719. The reversal of 42095717 is 71759024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32273761 + 9821956 = 5681^2 + 3134^2 .

It is a cyclic number.

It is not a de Polignac number, because 42095717 - 2⁴ = 42095701 is a prime.

Together with 42095719, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42095719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21047858 + 21047859.

It is an arithmetic number, because the mean of its divisors is an integer number (21047859).

Almost surely, 2^42095717 is an apocalyptic number.

It is an amenable number.

42095717 is a deficient number, since it is larger than the sum of its proper divisors (1).

42095717 is an equidigital number, since it uses as much as digits as its factorization.

42095717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 42095717 is about 6488.1212226653. The cubic root of 42095717 is about 347.8665235459.

The spelling of 42095717 in words is "forty-two million, ninety-five thousand, seven hundred seventeen".