162800201 has 2 divisors, whose sum is σ = 162800202. Its totient is φ = 162800200.

The previous prime is 162800173. The next prime is 162800203. The reversal of 162800201 is 102008261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124657225 + 38142976 = 11165^2 + 6176^2 .

It is an emirp because it is prime and its reverse (102008261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162800201 - 2⁶ = 162800137 is a prime.

It is a Sophie Germain prime.

Together with 162800203, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (162800203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81400100 + 81400101.

It is an arithmetic number, because the mean of its divisors is an integer number (81400101).

Almost surely, 2^162800201 is an apocalyptic number.

It is an amenable number.

162800201 is a deficient number, since it is larger than the sum of its proper divisors (1).

162800201 is an equidigital number, since it uses as much as digits as its factorization.

162800201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 162800201 is about 12759.3182027881. The cubic root of 162800201 is about 546.0322730010.

Adding to 162800201 its reverse (102008261), we get a palindrome (264808462).

The spelling of 162800201 in words is "one hundred sixty-two million, eight hundred thousand, two hundred one".