200201161 has 2 divisors, whose sum is σ = 200201162. Its totient is φ = 200201160.

The previous prime is 200201137. The next prime is 200201171. The reversal of 200201161 is 161102002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129960000 + 70241161 = 11400^2 + 8381^2 .

It is a cyclic number.

It is not a de Polignac number, because 200201161 - 2²⁵ = 166646729 is a prime.

It is not a weakly prime, because it can be changed into another prime (200201171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100100580 + 100100581.

It is an arithmetic number, because the mean of its divisors is an integer number (100100581).

Almost surely, 2^200201161 is an apocalyptic number.

It is an amenable number.

200201161 is a deficient number, since it is larger than the sum of its proper divisors (1).

200201161 is an equidigital number, since it uses as much as digits as its factorization.

200201161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 200201161 is about 14149.2459516400. The cubic root of 200201161 is about 584.9995480553. Note that the first 3 decimals are identical.

Adding to 200201161 its reverse (161102002), we get a palindrome (361303163).

The spelling of 200201161 in words is "two hundred million, two hundred one thousand, one hundred sixty-one".