163205201 has 2 divisors, whose sum is σ = 163205202. Its totient is φ = 163205200.

The previous prime is 163205153. The next prime is 163205209. The reversal of 163205201 is 102502361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85747600 + 77457601 = 9260^2 + 8801^2 .

It is a cyclic number.

It is not a de Polignac number, because 163205201 - 2⁶ = 163205137 is a prime.

It is not a weakly prime, because it can be changed into another prime (163205209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81602600 + 81602601.

It is an arithmetic number, because the mean of its divisors is an integer number (81602601).

Almost surely, 2^163205201 is an apocalyptic number.

It is an amenable number.

163205201 is a deficient number, since it is larger than the sum of its proper divisors (1).

163205201 is an equidigital number, since it uses as much as digits as its factorization.

163205201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 163205201 is about 12775.1790985489. The cubic root of 163205201 is about 546.4846883792.

Adding to 163205201 its reverse (102502361), we get a palindrome (265707562).

The spelling of 163205201 in words is "one hundred sixty-three million, two hundred five thousand, two hundred one".