202542254017 has 2 divisors, whose sum is σ = 202542254018. Its totient is φ = 202542254016.

The previous prime is 202542253967. The next prime is 202542254051. The reversal of 202542254017 is 710452245202.

202542254017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (202542254051) can be obtained adding 202542254017 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111202907841 + 91339346176 = 333471^2 + 302224^2 .

It is a cyclic number.

It is not a de Polignac number, because 202542254017 - 2¹⁵ = 202542221249 is a prime.

It is not a weakly prime, because it can be changed into another prime (202542254417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101271127008 + 101271127009.

It is an arithmetic number, because the mean of its divisors is an integer number (101271127009).

Almost surely, 2^202542254017 is an apocalyptic number.

It is an amenable number.

202542254017 is a deficient number, since it is larger than the sum of its proper divisors (1).

202542254017 is an equidigital number, since it uses as much as digits as its factorization.

202542254017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44800, while the sum is 34.

Adding to 202542254017 its reverse (710452245202), we get a palindrome (912994499219).

The spelling of 202542254017 in words is "two hundred two billion, five hundred forty-two million, two hundred fifty-four thousand, seventeen".