6509625 has 16 divisors (see below), whose sum is σ = 10832640. Its totient is φ = 3471600.

The previous prime is 6509617. The next prime is 6509677. The reversal of 6509625 is 5269056.

It is not a de Polignac number, because 6509625 - 2³ = 6509617 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

6509625 is a lucky 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, 8305 + ... + 9054.

It is an arithmetic number, because the mean of its divisors is an integer number (677040).

Almost surely, 2^6509625 is an apocalyptic number.

It is an amenable number.

6509625 is a deficient number, since it is larger than the sum of its proper divisors (4323015).

6509625 is a wasteful number, since it uses less digits than its factorization.

6509625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17377 (or 17367 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 6509625 is about 2551.3966763324. The cubic root of 6509625 is about 186.7176288717.

The spelling of 6509625 in words is "six million, five hundred nine thousand, six hundred twenty-five".