6625597 has 12 divisors (see below), whose sum is σ = 7713468. Its totient is φ = 5667200.

The previous prime is 6625579. The next prime is 6625603. The reversal of 6625597 is 7955266.

It can be written as a sum of positive squares in 2 ways, for example, as 5134756 + 1490841 = 2266^2 + 1221^2 .

It is not a de Polignac number, because 6625597 - 2¹¹ = 6623549 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6620597) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 447 + ... + 3667.

It is an arithmetic number, because the mean of its divisors is an integer number (642789).

Almost surely, 2^6625597 is an apocalyptic number.

It is an amenable number.

6625597 is a deficient number, since it is larger than the sum of its proper divisors (1087871).

6625597 is a wasteful number, since it uses less digits than its factorization.

6625597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3260 (or 3249 counting only the distinct ones).

The product of its digits is 113400, while the sum is 40.

The square root of 6625597 is about 2574.0235041662. The cubic root of 6625597 is about 187.8199290576.

The spelling of 6625597 in words is "six million, six hundred twenty-five thousand, five hundred ninety-seven".