6413563 has 4 divisors (see below), whose sum is σ = 6906928. Its totient is φ = 5920200.

The previous prime is 6413551. The next prime is 6413569. The reversal of 6413563 is 3653146.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6413563 - 2⁵ = 6413531 is a prime.

It is a super-2 number, since 2×6413563² = 82267580709938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6413569) 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, 246663 + ... + 246688.

It is an arithmetic number, because the mean of its divisors is an integer number (1726732).

Almost surely, 2^6413563 is an apocalyptic number.

6413563 is a deficient number, since it is larger than the sum of its proper divisors (493365).

6413563 is a wasteful number, since it uses less digits than its factorization.

6413563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493364.

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

The square root of 6413563 is about 2532.5013326749. The cubic root of 6413563 is about 185.7946147000.

The spelling of 6413563 in words is "six million, four hundred thirteen thousand, five hundred sixty-three".