2947313 has 4 divisors (see below), whose sum is σ = 2952180. Its totient is φ = 2942448.

The previous prime is 2947291. The next prime is 2947331. The reversal of 2947313 is 3137492.

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 824464 + 2122849 = 908^2 + 1457^2 .

It is a cyclic number.

It is not a de Polignac number, because 2947313 - 2⁶ = 2947249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2947333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1370 + ... + 2787.

It is an arithmetic number, because the mean of its divisors is an integer number (738045).

2^2947313 is an apocalyptic number.

It is an amenable number.

2947313 is a deficient number, since it is larger than the sum of its proper divisors (4867).

2947313 is an equidigital number, since it uses as much as digits as its factorization.

2947313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4866.

The product of its digits is 4536, while the sum is 29.

The square root of 2947313 is about 1716.7740095889. The cubic root of 2947313 is about 143.3756566321.

The spelling of 2947313 in words is "two million, nine hundred forty-seven thousand, three hundred thirteen".