317545201 has 2 divisors, whose sum is σ = 317545202. Its totient is φ = 317545200.

The previous prime is 317545177. The next prime is 317545213. The reversal of 317545201 is 102545713.

317545201 = 12600² + 12601².

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., 158785201 + 158760000 = 12601^2 + 12600^2 .

It is a cyclic number.

It is not a de Polignac number, because 317545201 - 2⁵ = 317545169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 317545201.

It is not a weakly prime, because it can be changed into another prime (317545001) 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, 158772600 + 158772601.

It is an arithmetic number, because the mean of its divisors is an integer number (158772601).

Almost surely, 2^317545201 is an apocalyptic number.

317545201 is the 12601-st centered square number.

It is an amenable number.

317545201 is a deficient number, since it is larger than the sum of its proper divisors (1).

317545201 is an equidigital number, since it uses as much as digits as its factorization.

317545201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 317545201 is about 17819.7980067115. The cubic root of 317545201 is about 682.2368674400.

The spelling of 317545201 in words is "three hundred seventeen million, five hundred forty-five thousand, two hundred one".