2173313 has 4 divisors (see below), whose sum is σ = 2180100. Its totient is φ = 2166528.

The previous prime is 2173307. The next prime is 2173319. The reversal of 2173313 is 3133712.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2173307) and next prime (2173319).

It can be written as a sum of positive squares in 2 ways, for example, as 1481089 + 692224 = 1217^2 + 832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2173313 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2888 + ... + 3561.

It is an arithmetic number, because the mean of its divisors is an integer number (545025).

2^2173313 is an apocalyptic number.

It is an amenable number.

2173313 is a deficient number, since it is larger than the sum of its proper divisors (6787).

2173313 is an equidigital number, since it uses as much as digits as its factorization.

2173313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6786.

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

The square root of 2173313 is about 1474.2160628619. The cubic root of 2173313 is about 129.5311116198.

The spelling of 2173313 in words is "two million, one hundred seventy-three thousand, three hundred thirteen".