200487317 has 2 divisors, whose sum is σ = 200487318. Its totient is φ = 200487316.

The previous prime is 200487311. The next prime is 200487377. The reversal of 200487317 is 713784002.

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., 163993636 + 36493681 = 12806^2 + 6041^2 .

It is a cyclic number.

It is not a de Polignac number, because 200487317 - 2⁸ = 200487061 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200487311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100243658 + 100243659.

It is an arithmetic number, because the mean of its divisors is an integer number (100243659).

Almost surely, 2^200487317 is an apocalyptic number.

It is an amenable number.

200487317 is a deficient number, since it is larger than the sum of its proper divisors (1).

200487317 is an equidigital number, since it uses as much as digits as its factorization.

200487317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 200487317 is about 14159.3543991243. The cubic root of 200487317 is about 585.2781369094.

The spelling of 200487317 in words is "two hundred million, four hundred eighty-seven thousand, three hundred seventeen".