6512655 has 16 divisors (see below), whose sum is σ = 10452960. Its totient is φ = 3462528.

The previous prime is 6512647. The next prime is 6512659. The reversal of 6512655 is 5562156.

It is not a de Polignac number, because 6512655 - 2³ = 6512647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6512659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7209 + ... + 8061.

It is an arithmetic number, because the mean of its divisors is an integer number (653310).

Almost surely, 2^6512655 is an apocalyptic number.

6512655 is a deficient number, since it is larger than the sum of its proper divisors (3940305).

6512655 is a wasteful number, since it uses less digits than its factorization.

6512655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370.

The product of its digits is 9000, while the sum is 30.

The square root of 6512655 is about 2551.9903996685. The cubic root of 6512655 is about 186.7465945269.

It can be divided in two parts, 65 and 12655, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 6512655 in words is "six million, five hundred twelve thousand, six hundred fifty-five".