317237457553 has 2 divisors, whose sum is σ = 317237457554. Its totient is φ = 317237457552.

The previous prime is 317237457499. The next prime is 317237457611. The reversal of 317237457553 is 355754732713.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237356044864 + 79881412689 = 487192^2 + 282633^2 .

It is a cyclic number.

It is not a de Polignac number, because 317237457553 - 2³³ = 308647522961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 317237457553.

It is not a weakly prime, because it can be changed into another prime (317237457353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158618728776 + 158618728777.

It is an arithmetic number, because the mean of its divisors is an integer number (158618728777).

Almost surely, 2^317237457553 is an apocalyptic number.

It is an amenable number.

317237457553 is a deficient number, since it is larger than the sum of its proper divisors (1).

317237457553 is an equidigital number, since it uses as much as digits as its factorization.

317237457553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9261000, while the sum is 52.

The spelling of 317237457553 in words is "three hundred seventeen billion, two hundred thirty-seven million, four hundred fifty-seven thousand, five hundred fifty-three".