210144317 has 2 divisors, whose sum is σ = 210144318. Its totient is φ = 210144316.

The previous prime is 210144289. The next prime is 210144377. The reversal of 210144317 is 713441012.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209989081 + 155236 = 14491^2 + 394^2 .

It is a cyclic number.

It is not a de Polignac number, because 210144317 - 2¹⁰ = 210143293 is a prime.

It is equal to p_11609114 and since 210144317 and 11609114 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 210144292 and 210144301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210144377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105072158 + 105072159.

It is an arithmetic number, because the mean of its divisors is an integer number (105072159).

Almost surely, 2^210144317 is an apocalyptic number.

It is an amenable number.

210144317 is a deficient number, since it is larger than the sum of its proper divisors (1).

210144317 is an equidigital number, since it uses as much as digits as its factorization.

210144317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 210144317 is about 14496.3553005574. The cubic root of 210144317 is about 594.5283242536.

Adding to 210144317 its reverse (713441012), we get a palindrome (923585329).

The spelling of 210144317 in words is "two hundred ten million, one hundred forty-four thousand, three hundred seventeen".