6943313 has 4 divisors (see below), whose sum is σ = 7477428. Its totient is φ = 6409200.

The previous prime is 6943289. The next prime is 6943319. The reversal of 6943313 is 3133496.

6943313 is digitally balanced in base 3, 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.

It can be written as a sum of positive squares in 2 ways, for example, as 2666689 + 4276624 = 1633^2 + 2068^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6943313 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6943319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267038 + ... + 267063.

It is an arithmetic number, because the mean of its divisors is an integer number (1869357).

Almost surely, 2^6943313 is an apocalyptic number.

It is an amenable number.

6943313 is a deficient number, since it is larger than the sum of its proper divisors (534115).

6943313 is a wasteful number, since it uses less digits than its factorization.

6943313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534114.

The product of its digits is 5832, while the sum is 29.

The square root of 6943313 is about 2635.0166982393. The cubic root of 6943313 is about 190.7753450849.

The spelling of 6943313 in words is "six million, nine hundred forty-three thousand, three hundred thirteen".