6520363 has 4 divisors (see below), whose sum is σ = 6863560. Its totient is φ = 6177168.

The previous prime is 6520343. The next prime is 6520379. The reversal of 6520363 is 3630256.

6520363 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 6520363 - 2¹³ = 6512171 is a prime.

It is the 2554-th Hogben number.

It is not an unprimeable number, because it can be changed into a prime (6520313) by changing a digit.

It is a nontrivial repunit in base 2553.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171570 + ... + 171607.

It is an arithmetic number, because the mean of its divisors is an integer number (1715890).

Almost surely, 2^6520363 is an apocalyptic number.

6520363 is a deficient number, since it is larger than the sum of its proper divisors (343197).

6520363 is a wasteful number, since it uses less digits than its factorization.

6520363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343196.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 6520363 is about 2553.5001468573. The cubic root of 6520363 is about 186.8202396196.

The spelling of 6520363 in words is "six million, five hundred twenty thousand, three hundred sixty-three".