317143554025 has 81 divisors (see below), whose sum is σ = 423284550199. Its totient is φ = 235696135840.

The previous prime is 317143554017. The next prime is 317143554029. The reversal of 317143554025 is 520455341713.

The square root of 317143554025 is 563155.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 114171679449 + 202971874576 = 337893^2 + 450524^2 .

It is not a de Polignac number, because 317143554025 - 2³ = 317143554017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317143554029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 3821006634 + ... + 3821006716.

Almost surely, 2^317143554025 is an apocalyptic number.

317143554025 is the 563155-th square number.

317143554025 is the 281578-th centered octagonal number.

It is an amenable number.

317143554025 is a deficient number, since it is larger than the sum of its proper divisors (106140996174).

317143554025 is an frugal number, since it uses more digits than its factorization.

317143554025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 40.

Adding to 317143554025 its reverse (520455341713), we get a palindrome (837598895738).

The spelling of 317143554025 in words is "three hundred seventeen billion, one hundred forty-three million, five hundred fifty-four thousand, twenty-five".