163201573 has 2 divisors, whose sum is σ = 163201574. Its totient is φ = 163201572.

The previous prime is 163201559. The next prime is 163201609. The reversal of 163201573 is 375102361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162868644 + 332929 = 12762^2 + 577^2 .

It is a cyclic number.

It is not a de Polignac number, because 163201573 - 2⁵ = 163201541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163201273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81600786 + 81600787.

It is an arithmetic number, because the mean of its divisors is an integer number (81600787).

Almost surely, 2^163201573 is an apocalyptic number.

It is an amenable number.

163201573 is a deficient number, since it is larger than the sum of its proper divisors (1).

163201573 is an equidigital number, since it uses as much as digits as its factorization.

163201573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 163201573 is about 12775.0371036643. The cubic root of 163201573 is about 546.4806389553.

The spelling of 163201573 in words is "one hundred sixty-three million, two hundred one thousand, five hundred seventy-three".