2943313 has 4 divisors (see below), whose sum is σ = 3022900. Its totient is φ = 2863728.

The previous prime is 2943301. The next prime is 2943323. The reversal of 2943313 is 3133492.

It is a happy number.

2943313 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.

It can be written as a sum of positive squares in 2 ways, for example, as 2845969 + 97344 = 1687^2 + 312^2 .

It is a cyclic number.

It is not a de Polignac number, because 2943313 - 2¹⁷ = 2812241 is a prime.

2943313 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2943323) 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, 39738 + ... + 39811.

It is an arithmetic number, because the mean of its divisors is an integer number (755725).

2^2943313 is an apocalyptic number.

It is an amenable number.

2943313 is a deficient number, since it is larger than the sum of its proper divisors (79587).

2943313 is an equidigital number, since it uses as much as digits as its factorization.

2943313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79586.

The product of its digits is 1944, while the sum is 25.

The square root of 2943313 is about 1715.6086383555. The cubic root of 2943313 is about 143.3107656315.

The spelling of 2943313 in words is "two million, nine hundred forty-three thousand, three hundred thirteen".