173002213 has 2 divisors, whose sum is σ = 173002214. Its totient is φ = 173002212.

The previous prime is 173002211. The next prime is 173002231. The reversal of 173002213 is 312200371.

Together with next prime (173002231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87291649 + 85710564 = 9343^2 + 9258^2 .

It is a cyclic number.

It is not a de Polignac number, because 173002213 - 2¹ = 173002211 is a prime.

Together with 173002211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173002211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86501106 + 86501107.

It is an arithmetic number, because the mean of its divisors is an integer number (86501107).

Almost surely, 2^173002213 is an apocalyptic number.

It is an amenable number.

173002213 is a deficient number, since it is larger than the sum of its proper divisors (1).

173002213 is an equidigital number, since it uses as much as digits as its factorization.

173002213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 173002213 is about 13153.0305633341. The cubic root of 173002213 is about 557.2078414511.

Adding to 173002213 its reverse (312200371), we get a palindrome (485202584).

The spelling of 173002213 in words is "one hundred seventy-three million, two thousand, two hundred thirteen".