6560520 has 64 divisors (see below), whose sum is σ = 20545920. Its totient is φ = 1672704.

The previous prime is 6560513. The next prime is 6560531. The reversal of 6560520 is 250656.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1572 + ... + 3948.

It is an arithmetic number, because the mean of its divisors is an integer number (321030).

Almost surely, 2^6560520 is an apocalyptic number.

6560520 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 6560520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10272960).

6560520 is an abundant number, since it is smaller than the sum of its proper divisors (13985400).

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

6560520 is a wasteful number, since it uses less digits than its factorization.

6560520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414 (or 2410 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 6560520 is about 2561.3512059068. The cubic root of 6560520 is about 187.2029786216.

The spelling of 6560520 in words is "six million, five hundred sixty thousand, five hundred twenty".