4047313 has 4 divisors (see below), whose sum is σ = 4056048. Its totient is φ = 4038580.

The previous prime is 4047301. The next prime is 4047317. The reversal of 4047313 is 3137404.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4047313 - 2²¹ = 1950161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4047317) 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, 3631 + ... + 4612.

It is an arithmetic number, because the mean of its divisors is an integer number (1014012).

Almost surely, 2^4047313 is an apocalyptic number.

It is an amenable number.

4047313 is a deficient number, since it is larger than the sum of its proper divisors (8735).

4047313 is an equidigital number, since it uses as much as digits as its factorization.

4047313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8734.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 4047313 is about 2011.7934784664. The cubic root of 4047313 is about 159.3635261764.

Subtracting from 4047313 its reverse (3137404), we obtain a palindrome (909909).

The spelling of 4047313 in words is "four million, forty-seven thousand, three hundred thirteen".