6513255 has 96 divisors (see below), whose sum is σ = 14376960. Its totient is φ = 2661120.

The previous prime is 6513239. The next prime is 6513281. The reversal of 6513255 is 5523156.

6513255 is a `hidden beast` number, since 651 + 3 + 2 + 5 + 5 = 666.

It is not a de Polignac number, because 6513255 - 2⁴ = 6513239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 210090 + ... + 210120.

It is an arithmetic number, because the mean of its divisors is an integer number (149760).

Almost surely, 2^6513255 is an apocalyptic number.

6513255 is an abundant number, since it is smaller than the sum of its proper divisors (7863705).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6513255 is a wasteful number, since it uses less digits than its factorization.

6513255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 98 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 6513255 is about 2552.1079522622. The cubic root of 6513255 is about 186.7523292345.

Subtracting from 6513255 its reverse (5523156), we obtain a palindrome (990099).

The spelling of 6513255 in words is "six million, five hundred thirteen thousand, two hundred fifty-five".