6415255 has 32 divisors (see below), whose sum is σ = 10114560. Its totient is φ = 3784320.

The previous prime is 6415249. The next prime is 6415271. The reversal of 6415255 is 5525146.

It is a de Polignac number, because none of the positive numbers 2^k-6415255 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6877 + ... + 7753.

It is an arithmetic number, because the mean of its divisors is an integer number (316080).

Almost surely, 2^6415255 is an apocalyptic number.

6415255 is a deficient number, since it is larger than the sum of its proper divisors (3699305).

6415255 is a wasteful number, since it uses less digits than its factorization.

6415255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919.

The product of its digits is 6000, while the sum is 28.

The square root of 6415255 is about 2532.8353677253. The cubic root of 6415255 is about 185.8109517889.

It can be divided in two parts, 6415 and 255, that added together give a triangular number (6670 = T₁₁₅).

The spelling of 6415255 in words is "six million, four hundred fifteen thousand, two hundred fifty-five".