6505320 has 64 divisors (see below), whose sum is σ = 20373120. Its totient is φ = 1658624.

The previous prime is 6505307. The next prime is 6505327. The reversal of 6505320 is 235056.

It is not an unprimeable number, because it can be changed into a prime (6505327) 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, 1582 + ... + 3938.

It is an arithmetic number, because the mean of its divisors is an integer number (318330).

Almost surely, 2^6505320 is an apocalyptic number.

6505320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6505320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10186560).

6505320 is an abundant number, since it is smaller than the sum of its proper divisors (13867800).

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

6505320 is a wasteful number, since it uses less digits than its factorization.

6505320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394 (or 2390 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 6505320 is about 2550.5528812397. The cubic root of 6505320 is about 186.6764592368.

The spelling of 6505320 in words is "six million, five hundred five thousand, three hundred twenty".