163052209 has 2 divisors, whose sum is σ = 163052210. Its totient is φ = 163052208.

The previous prime is 163052191. The next prime is 163052231. The reversal of 163052209 is 902250361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147865600 + 15186609 = 12160^2 + 3897^2 .

It is a cyclic number.

It is not a de Polignac number, because 163052209 - 2¹¹ = 163050161 is a prime.

It is not a weakly prime, because it can be changed into another prime (163052249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81526104 + 81526105.

It is an arithmetic number, because the mean of its divisors is an integer number (81526105).

Almost surely, 2^163052209 is an apocalyptic number.

It is an amenable number.

163052209 is a deficient number, since it is larger than the sum of its proper divisors (1).

163052209 is an equidigital number, since it uses as much as digits as its factorization.

163052209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 163052209 is about 12769.1898333449. The cubic root of 163052209 is about 546.3138728991.

The spelling of 163052209 in words is "one hundred sixty-three million, fifty-two thousand, two hundred nine".