6557625 has 64 divisors (see below), whose sum is σ = 12729600. Its totient is φ = 3326400.

The previous prime is 6557623. The next prime is 6557651. The reversal of 6557625 is 5267556.

6557625 is a `hidden beast` number, since 65 + 576 + 25 = 666.

6557625 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6557625 - 2¹ = 6557623 is a prime.

Its product of digits (63000) is a multiple of the sum of its prime factors (120).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6557625.

It is not an unprimeable number, because it can be changed into a prime (6557623) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 97842 + ... + 97908.

It is an arithmetic number, because the mean of its divisors is an integer number (198900).

Almost surely, 2^6557625 is an apocalyptic number.

It is an amenable number.

6557625 is a deficient number, since it is larger than the sum of its proper divisors (6171975).

6557625 is a wasteful number, since it uses less digits than its factorization.

6557625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 104 counting only the distinct ones).

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

The square root of 6557625 is about 2560.7860121455. The cubic root of 6557625 is about 187.1754385100.

The spelling of 6557625 in words is "six million, five hundred fifty-seven thousand, six hundred twenty-five".