6563413 has 4 divisors (see below), whose sum is σ = 6775168. Its totient is φ = 6351660.

The previous prime is 6563407. The next prime is 6563419. The reversal of 6563413 is 3143656.

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 an interprime number because it is at equal distance from previous prime (6563407) and next prime (6563419).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6563413 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6563419) 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, 105831 + ... + 105892.

It is an arithmetic number, because the mean of its divisors is an integer number (1693792).

Almost surely, 2^6563413 is an apocalyptic number.

It is an amenable number.

6563413 is a deficient number, since it is larger than the sum of its proper divisors (211755).

6563413 is a wasteful number, since it uses less digits than its factorization.

6563413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211754.

The product of its digits is 6480, while the sum is 28.

The square root of 6563413 is about 2561.9158846457. The cubic root of 6563413 is about 187.2304916150.

The spelling of 6563413 in words is "six million, five hundred sixty-three thousand, four hundred thirteen".