202387255297 has 2 divisors, whose sum is σ = 202387255298. Its totient is φ = 202387255296.

The previous prime is 202387255283. The next prime is 202387255363. The reversal of 202387255297 is 792552783202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124541233216 + 77846022081 = 352904^2 + 279009^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202387255297 is a prime.

It is a super-2 number, since 2×202387255297² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (202387255267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101193627648 + 101193627649.

It is an arithmetic number, because the mean of its divisors is an integer number (101193627649).

Almost surely, 2^202387255297 is an apocalyptic number.

It is an amenable number.

202387255297 is a deficient number, since it is larger than the sum of its proper divisors (1).

202387255297 is an equidigital number, since it uses as much as digits as its factorization.

202387255297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 202387255297 in words is "two hundred two billion, three hundred eighty-seven million, two hundred fifty-five thousand, two hundred ninety-seven".