6559625 has 16 divisors (see below), whose sum is σ = 8286096. Its totient is φ = 5184000.

The previous prime is 6559613. The next prime is 6559627. The reversal of 6559625 is 5269556.

It can be written as a sum of positive squares in 8 ways, for example, as 2611456 + 3948169 = 1616^2 + 1987^2 .

It is not a de Polignac number, because 6559625 - 2⁸ = 6559369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6559627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11855 + ... + 12395.

It is an arithmetic number, because the mean of its divisors is an integer number (517881).

Almost surely, 2^6559625 is an apocalyptic number.

It is an amenable number.

6559625 is a deficient number, since it is larger than the sum of its proper divisors (1726471).

6559625 is an equidigital number, since it uses as much as digits as its factorization.

6559625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 643 counting only the distinct ones).

The product of its digits is 81000, while the sum is 38.

The square root of 6559625 is about 2561.1764874760. The cubic root of 6559625 is about 187.1944653592.

The spelling of 6559625 in words is "six million, five hundred fifty-nine thousand, six hundred twenty-five".