42325120217 has 2 divisors, whose sum is σ = 42325120218. Its totient is φ = 42325120216.

The previous prime is 42325120207. The next prime is 42325120219. The reversal of 42325120217 is 71202152324.

42325120217 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., 40842793216 + 1482327001 = 202096^2 + 38501^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42325120217 is a prime.

Together with 42325120219, it forms a pair of twin primes.

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 42325120217.

It is not a weakly prime, because it can be changed into another prime (42325120219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21162560108 + 21162560109.

It is an arithmetic number, because the mean of its divisors is an integer number (21162560109).

Almost surely, 2^42325120217 is an apocalyptic number.

It is an amenable number.

42325120217 is a deficient number, since it is larger than the sum of its proper divisors (1).

42325120217 is an equidigital number, since it uses as much as digits as its factorization.

42325120217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 29.

The spelling of 42325120217 in words is "forty-two billion, three hundred twenty-five million, one hundred twenty thousand, two hundred seventeen".