317243252 has 6 divisors (see below), whose sum is σ = 555175698. Its totient is φ = 158621624.

The previous prime is 317243237. The next prime is 317243257. The reversal of 317243252 is 252342713.

It can be written as a sum of positive squares in only one way, i.e., 296046436 + 21196816 = 17206^2 + 4604^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317243257) 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, 39655403 + ... + 39655410.

It is an arithmetic number, because the mean of its divisors is an integer number (92529283).

Almost surely, 2^317243252 is an apocalyptic number.

It is an amenable number.

317243252 is a deficient number, since it is larger than the sum of its proper divisors (237932446).

317243252 is a wasteful number, since it uses less digits than its factorization.

317243252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79310817 (or 79310815 counting only the distinct ones).

The product of its digits is 10080, while the sum is 29.

The square root of 317243252 is about 17811.3237015108. The cubic root of 317243252 is about 682.0205559059.

Adding to 317243252 its reverse (252342713), we get a palindrome (569585965).

The spelling of 317243252 in words is "three hundred seventeen million, two hundred forty-three thousand, two hundred fifty-two".