6556825 has 24 divisors (see below), whose sum is σ = 8990496. Its totient is φ = 4704000.

The previous prime is 6556799. The next prime is 6556831. The reversal of 6556825 is 5286556.

It is not a de Polignac number, because 6556825 - 2¹¹ = 6554777 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30970 + ... + 31180.

It is an arithmetic number, because the mean of its divisors is an integer number (374604).

Almost surely, 2^6556825 is an apocalyptic number.

It is an amenable number.

6556825 is a deficient number, since it is larger than the sum of its proper divisors (2433671).

6556825 is a wasteful number, since it uses less digits than its factorization.

6556825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 340 counting only the distinct ones).

The product of its digits is 72000, while the sum is 37.

The square root of 6556825 is about 2560.6298053409. The cubic root of 6556825 is about 187.1678266871.

It can be divided in two parts, 6556 and 825, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 6556825 in words is "six million, five hundred fifty-six thousand, eight hundred twenty-five".