6565530 has 32 divisors (see below), whose sum is σ = 15940800. Its totient is φ = 1730432.

The previous prime is 6565501. The next prime is 6565543. The reversal of 6565530 is 355656.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 1441 + ... + 3899.

It is an arithmetic number, because the mean of its divisors is an integer number (498150).

Almost surely, 2^6565530 is an apocalyptic number.

6565530 is an abundant number, since it is smaller than the sum of its proper divisors (9375270).

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

6565530 is a wasteful number, since it uses less digits than its factorization.

6565530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 6565530 is about 2562.3290186859. The cubic root of 6565530 is about 187.2506195750.

The spelling of 6565530 in words is "six million, five hundred sixty-five thousand, five hundred thirty".