173033213 has 2 divisors, whose sum is σ = 173033214. Its totient is φ = 173033212.

The previous prime is 173033207. The next prime is 173033219. The reversal of 173033213 is 312330371.

It is a happy number.

173033213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (173033207) and next prime (173033219).

It can be written as a sum of positive squares in only one way, i.e., 152720164 + 20313049 = 12358^2 + 4507^2 .

It is a cyclic number.

It is not a de Polignac number, because 173033213 - 2⁴ = 173033197 is a prime.

It is a super-2 number, since 2×173033213² = 59880985602206738, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173033219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86516606 + 86516607.

It is an arithmetic number, because the mean of its divisors is an integer number (86516607).

Almost surely, 2^173033213 is an apocalyptic number.

It is an amenable number.

173033213 is a deficient number, since it is larger than the sum of its proper divisors (1).

173033213 is an equidigital number, since it uses as much as digits as its factorization.

173033213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 23.

The square root of 173033213 is about 13154.2089461890. The cubic root of 173033213 is about 557.2411212016.

Adding to 173033213 its reverse (312330371), we get a palindrome (485363584).

It can be divided in two parts, 1730 and 33213, that added together give a palindrome (34943).

The spelling of 173033213 in words is "one hundred seventy-three million, thirty-three thousand, two hundred thirteen".