317216453 has 2 divisors, whose sum is σ = 317216454. Its totient is φ = 317216452.

The previous prime is 317216407. The next prime is 317216477. The reversal of 317216453 is 354612713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 302829604 + 14386849 = 17402^2 + 3793^2 .

It is a cyclic number.

It is not a de Polignac number, because 317216453 - 2¹⁴ = 317200069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317206453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158608226 + 158608227.

It is an arithmetic number, because the mean of its divisors is an integer number (158608227).

Almost surely, 2^317216453 is an apocalyptic number.

It is an amenable number.

317216453 is a deficient number, since it is larger than the sum of its proper divisors (1).

317216453 is an equidigital number, since it uses as much as digits as its factorization.

317216453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 32.

The square root of 317216453 is about 17810.5713833105. The cubic root of 317216453 is about 682.0013508916.

The spelling of 317216453 in words is "three hundred seventeen million, two hundred sixteen thousand, four hundred fifty-three".