6696601 has 2 divisors, whose sum is σ = 6696602. Its totient is φ = 6696600.

The previous prime is 6696587. The next prime is 6696617. The reversal of 6696601 is 1066966.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5929225 + 767376 = 2435^2 + 876^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6696601 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (6696661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3348300 + 3348301.

It is an arithmetic number, because the mean of its divisors is an integer number (3348301).

Almost surely, 2^6696601 is an apocalyptic number.

It is an amenable number.

6696601 is a deficient number, since it is larger than the sum of its proper divisors (1).

6696601 is an equidigital number, since it uses as much as digits as its factorization.

6696601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 6696601 is about 2587.7791636846. The cubic root of 6696601 is about 188.4884780721.

The spelling of 6696601 in words is "six million, six hundred ninety-six thousand, six hundred one".