200066261 has 2 divisors, whose sum is σ = 200066262. Its totient is φ = 200066260.

The previous prime is 200066231. The next prime is 200066267. The reversal of 200066261 is 162660002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141467236 + 58599025 = 11894^2 + 7655^2 .

It is a cyclic number.

It is not a de Polignac number, because 200066261 - 2¹⁴ = 200049877 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 (200066267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100033130 + 100033131.

It is an arithmetic number, because the mean of its divisors is an integer number (100033131).

Almost surely, 2^200066261 is an apocalyptic number.

It is an amenable number.

200066261 is a deficient number, since it is larger than the sum of its proper divisors (1).

200066261 is an equidigital number, since it uses as much as digits as its factorization.

200066261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 200066261 is about 14144.4781098491. The cubic root of 200066261 is about 584.8681232915.

The spelling of 200066261 in words is "two hundred million, sixty-six thousand, two hundred sixty-one".