6313813 has 8 divisors (see below), whose sum is σ = 6957216. Its totient is φ = 5682000.

The previous prime is 6313787. The next prime is 6313829. The reversal of 6313813 is 3183136.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6313813 - 2⁵ = 6313781 is a prime.

It is a Duffinian number.

6313813 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6313513) 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 7 ways as a sum of consecutive naturals, for example, 1731 + ... + 3952.

It is an arithmetic number, because the mean of its divisors is an integer number (869652).

Almost surely, 2^6313813 is an apocalyptic number.

It is an amenable number.

6313813 is a deficient number, since it is larger than the sum of its proper divisors (643403).

6313813 is a wasteful number, since it uses less digits than its factorization.

6313813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5795.

The product of its digits is 1296, while the sum is 25.

The square root of 6313813 is about 2512.7301884604. The cubic root of 6313813 is about 184.8263576436.

Adding to 6313813 its reverse (3183136), we get a palindrome (9496949).

It can be divided in two parts, 631 and 3813, that added together give a palindrome (4444).

The spelling of 6313813 in words is "six million, three hundred thirteen thousand, eight hundred thirteen".