3213173 has 4 divisors (see below), whose sum is σ = 3216780. Its totient is φ = 3209568.

The previous prime is 3213163. The next prime is 3213233. The reversal of 3213173 is 3713123.

It is a happy number.

3213173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3713123 = 17 ⋅218419.

It can be written as a sum of positive squares in 2 ways, for example, as 1620529 + 1592644 = 1273^2 + 1262^2 .

It is a cyclic number.

It is not a de Polignac number, because 3213173 - 2¹² = 3209077 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611 + ... + 2607.

It is an arithmetic number, because the mean of its divisors is an integer number (804195).

Almost surely, 2^3213173 is an apocalyptic number.

It is an amenable number.

3213173 is a deficient number, since it is larger than the sum of its proper divisors (3607).

3213173 is a wasteful number, since it uses less digits than its factorization.

3213173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3606.

The product of its digits is 378, while the sum is 20.

The square root of 3213173 is about 1792.5325659524. The cubic root of 3213173 is about 147.5631903910.

Adding to 3213173 its reverse (3713123), we get a palindrome (6926296).

The spelling of 3213173 in words is "three million, two hundred thirteen thousand, one hundred seventy-three".