6513385 has 8 divisors (see below), whose sum is σ = 7868736. Its totient is φ = 5175600.

The previous prime is 6513373. The next prime is 6513407. The reversal of 6513385 is 5833156.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-6513385 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3559 + ... + 5068.

It is an arithmetic number, because the mean of its divisors is an integer number (983592).

Almost surely, 2^6513385 is an apocalyptic number.

It is an amenable number.

6513385 is a deficient number, since it is larger than the sum of its proper divisors (1355351).

6513385 is a wasteful number, since it uses less digits than its factorization.

6513385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8783.

The product of its digits is 10800, while the sum is 31.

The square root of 6513385 is about 2552.1334212772. The cubic root of 6513385 is about 186.7535717080.

The spelling of 6513385 in words is "six million, five hundred thirteen thousand, three hundred eighty-five".