6505313 has 4 divisors (see below), whose sum is σ = 6532548. Its totient is φ = 6478080.

The previous prime is 6505307. The next prime is 6505327. The reversal of 6505313 is 3135056.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2274064 + 4231249 = 1508^2 + 2057^2 .

It is not a de Polignac number, because 6505313 - 2¹² = 6501217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6505333) 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, 13256 + ... + 13737.

It is an arithmetic number, because the mean of its divisors is an integer number (1633137).

Almost surely, 2^6505313 is an apocalyptic number.

It is an amenable number.

6505313 is a deficient number, since it is larger than the sum of its proper divisors (27235).

6505313 is a wasteful number, since it uses less digits than its factorization.

6505313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27234.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 6505313 is about 2550.5515089878. The cubic root of 6505313 is about 186.6763922796.

The spelling of 6505313 in words is "six million, five hundred five thousand, three hundred thirteen".