6463313 has 4 divisors (see below), whose sum is σ = 6484020. Its totient is φ = 6442608.

The previous prime is 6463309. The next prime is 6463337. The reversal of 6463313 is 3133646.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3133646 = 2 ⋅1566823.

It can be written as a sum of positive squares in 2 ways, for example, as 3323329 + 3139984 = 1823^2 + 1772^2 .

It is a cyclic number.

It is not a de Polignac number, because 6463313 - 2² = 6463309 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (6469313) 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, 9878 + ... + 10511.

It is an arithmetic number, because the mean of its divisors is an integer number (1621005).

Almost surely, 2^6463313 is an apocalyptic number.

It is an amenable number.

6463313 is a deficient number, since it is larger than the sum of its proper divisors (20707).

6463313 is a wasteful number, since it uses less digits than its factorization.

6463313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20706.

The product of its digits is 3888, while the sum is 26.

The square root of 6463313 is about 2542.3046630961. The cubic root of 6463313 is about 186.2737807270.

Adding to 6463313 its reverse (3133646), we get a palindrome (9596959).

It can be divided in two parts, 64633 and 13, that added together give a palindrome (64646).

The spelling of 6463313 in words is "six million, four hundred sixty-three thousand, three hundred thirteen".