6530280 has 32 divisors (see below), whose sum is σ = 19591200. Its totient is φ = 1741376.

The previous prime is 6530257. The next prime is 6530309. The reversal of 6530280 is 820356.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6530280.

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 7 ways as a sum of consecutive naturals, for example, 27090 + ... + 27329.

It is an arithmetic number, because the mean of its divisors is an integer number (612225).

Almost surely, 2^6530280 is an apocalyptic number.

6530280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6530280 is an abundant number, since it is smaller than the sum of its proper divisors (13060920).

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

6530280 is a wasteful number, since it uses less digits than its factorization.

6530280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54433 (or 54429 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 6530280 is about 2555.4412534825. The cubic root of 6530280 is about 186.9149049951.

The spelling of 6530280 in words is "six million, five hundred thirty thousand, two hundred eighty".