6363813 has 4 divisors (see below), whose sum is σ = 8485088. Its totient is φ = 4242540.

The previous prime is 6363769. The next prime is 6363817. The reversal of 6363813 is 3183636.

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 not a de Polignac number, because 6363813 - 2¹³ = 6355621 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6363817) 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, 1060633 + ... + 1060638.

It is an arithmetic number, because the mean of its divisors is an integer number (2121272).

Almost surely, 2^6363813 is an apocalyptic number.

It is an amenable number.

6363813 is a deficient number, since it is larger than the sum of its proper divisors (2121275).

6363813 is a wasteful number, since it uses less digits than its factorization.

6363813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121274.

The product of its digits is 7776, while the sum is 30.

The square root of 6363813 is about 2522.6599057344. The cubic root of 6363813 is about 185.3129642947.

The spelling of 6363813 in words is "six million, three hundred sixty-three thousand, eight hundred thirteen".