200240317 has 2 divisors, whose sum is σ = 200240318. Its totient is φ = 200240316.

The previous prime is 200240311. The next prime is 200240321. The reversal of 200240317 is 713042002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107868996 + 92371321 = 10386^2 + 9611^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200240317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200240294 and 200240303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200240311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100120158 + 100120159.

It is an arithmetic number, because the mean of its divisors is an integer number (100120159).

Almost surely, 2^200240317 is an apocalyptic number.

It is an amenable number.

200240317 is a deficient number, since it is larger than the sum of its proper divisors (1).

200240317 is an equidigital number, since it uses as much as digits as its factorization.

200240317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 200240317 is about 14150.6295619665. The cubic root of 200240317 is about 585.0376842795.

Adding to 200240317 its reverse (713042002), we get a palindrome (913282319).

The spelling of 200240317 in words is "two hundred million, two hundred forty thousand, three hundred seventeen".