6555725 has 24 divisors (see below), whose sum is σ = 9166080. Its totient is φ = 4608000.

The previous prime is 6555719. The next prime is 6555733. The reversal of 6555725 is 5275556.

It is not a de Polignac number, because 6555725 - 2⁴ = 6555709 is a prime.

It is a congruent 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, 8141 + ... + 8909.

It is an arithmetic number, because the mean of its divisors is an integer number (381920).

Almost surely, 2^6555725 is an apocalyptic number.

It is an amenable number.

6555725 is a deficient number, since it is larger than the sum of its proper divisors (2610355).

6555725 is a wasteful number, since it uses less digits than its factorization.

6555725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821 (or 816 counting only the distinct ones).

The product of its digits is 52500, while the sum is 35.

The square root of 6555725 is about 2560.4150054239. The cubic root of 6555725 is about 187.1573594196.

The spelling of 6555725 in words is "six million, five hundred fifty-five thousand, seven hundred twenty-five".