6565725 has 48 divisors (see below), whose sum is σ = 12320640. Its totient is φ = 3427200.

The previous prime is 6565721. The next prime is 6565729. The reversal of 6565725 is 5275656.

It is an interprime number because it is at equal distance from previous prime (6565721) and next prime (6565729).

It is not a de Polignac number, because 6565725 - 2² = 6565721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6565725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6565721) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 47857 + ... + 47993.

It is an arithmetic number, because the mean of its divisors is an integer number (256680).

Almost surely, 2^6565725 is an apocalyptic number.

6565725 is the 1370-th nonagonal number.

It is an amenable number.

6565725 is a deficient number, since it is larger than the sum of its proper divisors (5754915).

6565725 is a wasteful number, since it uses less digits than its factorization.

6565725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 216 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 6565725 is about 2562.3670697228. The cubic root of 6565725 is about 187.2524733735.

The spelling of 6565725 in words is "six million, five hundred sixty-five thousand, seven hundred twenty-five".