6495580 has 96 divisors (see below), whose sum is σ = 17385984. Its totient is φ = 1983744.

The previous prime is 6495571. The next prime is 6495607. The reversal of 6495580 is 855946.

6495580 is nontrivially palindromic in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78219 + ... + 78301.

It is an arithmetic number, because the mean of its divisors is an integer number (181104).

Almost surely, 2^6495580 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 6495580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8692992).

6495580 is an abundant number, since it is smaller than the sum of its proper divisors (10890404).

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

6495580 is a wasteful number, since it uses less digits than its factorization.

6495580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 6495580 is about 2548.6427760673. The cubic root of 6495580 is about 186.5832464557.

The spelling of 6495580 in words is "six million, four hundred ninety-five thousand, five hundred eighty".