242566255152017 has 2 divisors, whose sum is σ = 242566255152018. Its totient is φ = 242566255152016.

The previous prime is 242566255152007. The next prime is 242566255152041. The reversal of 242566255152017 is 710251552665242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223658724890176 + 18907530261841 = 14955224^2 + 4348279^2 .

It is a cyclic number.

It is not a de Polignac number, because 242566255152017 - 2⁸ = 242566255151761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242566255152017.

It is not a weakly prime, because it can be changed into another prime (242566255152007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121283127576008 + 121283127576009.

It is an arithmetic number, because the mean of its divisors is an integer number (121283127576009).

Almost surely, 2^{242566255152017} is an apocalyptic number.

It is an amenable number.

242566255152017 is a deficient number, since it is larger than the sum of its proper divisors (1).

242566255152017 is an equidigital number, since it uses as much as digits as its factorization.

242566255152017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080000, while the sum is 53.

The spelling of 242566255152017 in words is "two hundred forty-two trillion, five hundred sixty-six billion, two hundred fifty-five million, one hundred fifty-two thousand, seventeen".