6557025 has 12 divisors (see below), whose sum is σ = 10841072. Its totient is φ = 3497040.

The previous prime is 6557003. The next prime is 6557041. The reversal of 6557025 is 5207556.

It is not a de Polignac number, because 6557025 - 2⁵ = 6556993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6556983 and 6557001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43639 + ... + 43788.

Almost surely, 2^6557025 is an apocalyptic number.

It is an amenable number.

6557025 is a deficient number, since it is larger than the sum of its proper divisors (4284047).

6557025 is a wasteful number, since it uses less digits than its factorization.

6557025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87440 (or 87435 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 6557025 is about 2560.6688579354. The cubic root of 6557025 is about 187.1697297008.

The spelling of 6557025 in words is "six million, five hundred fifty-seven thousand, twenty-five".