6625197 has 12 divisors (see below), whose sum is σ = 9669660. Its totient is φ = 4370688.

The previous prime is 6625193. The next prime is 6625207. The reversal of 6625197 is 7915266.

It can be written as a sum of positive squares in 2 ways, for example, as 1121481 + 5503716 = 1059^2 + 2346^2 .

It is not a de Polignac number, because 6625197 - 2² = 6625193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6625193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2922 + ... + 4667.

It is an arithmetic number, because the mean of its divisors is an integer number (805805).

Almost surely, 2^6625197 is an apocalyptic number.

It is an amenable number.

6625197 is a deficient number, since it is larger than the sum of its proper divisors (3044463).

6625197 is a wasteful number, since it uses less digits than its factorization.

6625197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7692 (or 7689 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 6625197 is about 2573.9458036252. The cubic root of 6625197 is about 187.8161492984.

The spelling of 6625197 in words is "six million, six hundred twenty-five thousand, one hundred ninety-seven".