6505506 has 24 divisors (see below), whose sum is σ = 16109184. Its totient is φ = 1858680.

The previous prime is 6505501. The next prime is 6505507. The reversal of 6505506 is 6055056.

6505506 is a `hidden beast` number, since 650 + 5 + 5 + 0 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 6505506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6505501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25690 + ... + 25941.

It is an arithmetic number, because the mean of its divisors is an integer number (671216).

Almost surely, 2^6505506 is an apocalyptic number.

6505506 is an abundant number, since it is smaller than the sum of its proper divisors (9603678).

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

6505506 is a wasteful number, since it uses less digits than its factorization.

6505506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51646 (or 51643 counting only the distinct ones).

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

The square root of 6505506 is about 2550.5893436616. The cubic root of 6505506 is about 186.6782383699.

The spelling of 6505506 in words is "six million, five hundred five thousand, five hundred six".