163303201 has 2 divisors, whose sum is σ = 163303202. Its totient is φ = 163303200.

The previous prime is 163303199. The next prime is 163303211. The reversal of 163303201 is 102303361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160149025 + 3154176 = 12655^2 + 1776^2 .

It is an emirp because it is prime and its reverse (102303361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163303201 - 2¹ = 163303199 is a prime.

Together with 163303199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (163303211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81651600 + 81651601.

It is an arithmetic number, because the mean of its divisors is an integer number (81651601).

Almost surely, 2^163303201 is an apocalyptic number.

It is an amenable number.

163303201 is a deficient number, since it is larger than the sum of its proper divisors (1).

163303201 is an equidigital number, since it uses as much as digits as its factorization.

163303201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 163303201 is about 12779.0140856014. The cubic root of 163303201 is about 546.5940492394.

Adding to 163303201 its reverse (102303361), we get a palindrome (265606562).

The spelling of 163303201 in words is "one hundred sixty-three million, three hundred three thousand, two hundred one".