6513256 has 16 divisors (see below), whose sum is σ = 12385440. Its totient is φ = 3210480.

The previous prime is 6513239. The next prime is 6513281. The reversal of 6513256 is 6523156.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5166 + ... + 6301.

It is an arithmetic number, because the mean of its divisors is an integer number (774090).

Almost surely, 2^6513256 is an apocalyptic number.

It is an amenable number.

6513256 is a deficient number, since it is larger than the sum of its proper divisors (5872184).

6513256 is a wasteful number, since it uses less digits than its factorization.

6513256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11544 (or 11540 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 6513256 is about 2552.1081481787. The cubic root of 6513256 is about 186.7523387920.

The spelling of 6513256 in words is "six million, five hundred thirteen thousand, two hundred fifty-six".