163484213 has 2 divisors, whose sum is σ = 163484214. Its totient is φ = 163484212.

The previous prime is 163484197. The next prime is 163484239. The reversal of 163484213 is 312484361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147428164 + 16056049 = 12142^2 + 4007^2 .

It is a cyclic number.

It is not a de Polignac number, because 163484213 - 2⁴ = 163484197 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 163484213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163484263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81742106 + 81742107.

It is an arithmetic number, because the mean of its divisors is an integer number (81742107).

Almost surely, 2^163484213 is an apocalyptic number.

It is an amenable number.

163484213 is a deficient number, since it is larger than the sum of its proper divisors (1).

163484213 is an equidigital number, since it uses as much as digits as its factorization.

163484213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 32.

The square root of 163484213 is about 12786.0945170916. The cubic root of 163484213 is about 546.7959304589.

The spelling of 163484213 in words is "one hundred sixty-three million, four hundred eighty-four thousand, two hundred thirteen".