201052317497 has 2 divisors, whose sum is σ = 201052317498. Its totient is φ = 201052317496.

The previous prime is 201052317359. The next prime is 201052317533. The reversal of 201052317497 is 794713250102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103105852201 + 97946465296 = 321101^2 + 312964^2 .

It is a cyclic number.

It is not a de Polignac number, because 201052317497 - 2⁸ = 201052317241 is a prime.

It is not a weakly prime, because it can be changed into another prime (201052311497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100526158748 + 100526158749.

It is an arithmetic number, because the mean of its divisors is an integer number (100526158749).

Almost surely, 2^201052317497 is an apocalyptic number.

It is an amenable number.

201052317497 is a deficient number, since it is larger than the sum of its proper divisors (1).

201052317497 is an equidigital number, since it uses as much as digits as its factorization.

201052317497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 41.

Adding to 201052317497 its reverse (794713250102), we get a palindrome (995765567599).

The spelling of 201052317497 in words is "two hundred one billion, fifty-two million, three hundred seventeen thousand, four hundred ninety-seven".