6520260 has 48 divisors (see below), whose sum is σ = 18369792. Its totient is φ = 1728000.

The previous prime is 6520253. The next prime is 6520277. The reversal of 6520260 is 620256.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16060 + ... + 16460.

It is an arithmetic number, because the mean of its divisors is an integer number (382704).

Almost surely, 2^6520260 is an apocalyptic number.

6520260 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6520260 is an abundant number, since it is smaller than the sum of its proper divisors (11849532).

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

6520260 is a wasteful number, since it uses less digits than its factorization.

6520260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684 (or 682 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 6520260 is about 2553.4799783824. The cubic root of 6520260 is about 186.8192559020.

The spelling of 6520260 in words is "six million, five hundred twenty thousand, two hundred sixty".