6534625 has 16 divisors (see below), whose sum is σ = 8298576. Its totient is φ = 5136000.

The previous prime is 6534617. The next prime is 6534631. The reversal of 6534625 is 5264356.

It can be written as a sum of positive squares in 8 ways, for example, as 2405601 + 4129024 = 1551^2 + 2032^2 .

It is not a de Polignac number, because 6534625 - 2³ = 6534617 is a prime.

It is a Duffinian number.

6534625 is a lucky number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7197 + ... + 8053.

It is an arithmetic number, because the mean of its divisors is an integer number (518661).

Almost surely, 2^6534625 is an apocalyptic number.

It is an amenable number.

6534625 is a deficient number, since it is larger than the sum of its proper divisors (1763951).

6534625 is an equidigital number, since it uses as much as digits as its factorization.

6534625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933 (or 923 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 6534625 is about 2556.2912588357. The cubic root of 6534625 is about 186.9563511611.

The spelling of 6534625 in words is "six million, five hundred thirty-four thousand, six hundred twenty-five".