200865361 has 2 divisors, whose sum is σ = 200865362. Its totient is φ = 200865360.

The previous prime is 200865331. The next prime is 200865367. The reversal of 200865361 is 163568002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197571136 + 3294225 = 14056^2 + 1815^2 .

It is a cyclic number.

It is not a de Polignac number, because 200865361 - 2¹³ = 200857169 is a prime.

It is not a weakly prime, because it can be changed into another prime (200865367) 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, 100432680 + 100432681.

It is an arithmetic number, because the mean of its divisors is an integer number (100432681).

Almost surely, 2^200865361 is an apocalyptic number.

It is an amenable number.

200865361 is a deficient number, since it is larger than the sum of its proper divisors (1).

200865361 is an equidigital number, since it uses as much as digits as its factorization.

200865361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 200865361 is about 14172.6977319069. The cubic root of 200865361 is about 585.6457777242.

The spelling of 200865361 in words is "two hundred million, eight hundred sixty-five thousand, three hundred sixty-one".