6501320 has 96 divisors (see below), whose sum is σ = 17729280. Its totient is φ = 2136960.

The previous prime is 6501311. The next prime is 6501337. The reversal of 6501320 is 231056.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60707 + ... + 60813.

It is an arithmetic number, because the mean of its divisors is an integer number (184680).

Almost surely, 2^6501320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6501320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8864640).

6501320 is an abundant number, since it is smaller than the sum of its proper divisors (11227960).

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

6501320 is a wasteful number, since it uses less digits than its factorization.

6501320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 6501320 is about 2549.7686169533. The cubic root of 6501320 is about 186.6381901005.

Adding to 6501320 its reverse (231056), we get a palindrome (6732376).

The spelling of 6501320 in words is "six million, five hundred one thousand, three hundred twenty".