201505075297 has 2 divisors, whose sum is σ = 201505075298. Its totient is φ = 201505075296.

The previous prime is 201505075153. The next prime is 201505075357. The reversal of 201505075297 is 792570505102.

It is a happy number.

201505075297 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., 111438462976 + 90066612321 = 333824^2 + 300111^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201505075297 is a prime.

It is not a weakly prime, because it can be changed into another prime (201505075397) 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, 100752537648 + 100752537649.

It is an arithmetic number, because the mean of its divisors is an integer number (100752537649).

Almost surely, 2^201505075297 is an apocalyptic number.

It is an amenable number.

201505075297 is a deficient number, since it is larger than the sum of its proper divisors (1).

201505075297 is an equidigital number, since it uses as much as digits as its factorization.

201505075297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 220500, while the sum is 43.

The spelling of 201505075297 in words is "two hundred one billion, five hundred five million, seventy-five thousand, two hundred ninety-seven".