6530825 has 24 divisors (see below), whose sum is σ = 9410112. Its totient is φ = 4403520.

The previous prime is 6530809. The next prime is 6530831. The reversal of 6530825 is 5280356.

It is not a de Polignac number, because 6530825 - 2⁴ = 6530809 is a prime.

It is a Duffinian 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 23 ways as a sum of consecutive naturals, for example, 11447 + ... + 12003.

It is an arithmetic number, because the mean of its divisors is an integer number (392088).

Almost surely, 2^6530825 is an apocalyptic number.

It is an amenable number.

6530825 is a deficient number, since it is larger than the sum of its proper divisors (2879287).

6530825 is a wasteful number, since it uses less digits than its factorization.

6530825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 6530825 is about 2555.5478864619. The cubic root of 6530825 is about 186.9201046593.

The spelling of 6530825 in words is "six million, five hundred thirty thousand, eight hundred twenty-five".