6195997 has 2 divisors, whose sum is σ = 6195998. Its totient is φ = 6195996.

The previous prime is 6195991. The next prime is 6196009. The reversal of 6195997 is 7995916.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5480281 + 715716 = 2341^2 + 846^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6195997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6195991) 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 as a sum of consecutive naturals, namely, 3097998 + 3097999.

It is an arithmetic number, because the mean of its divisors is an integer number (3097999).

Almost surely, 2^6195997 is an apocalyptic number.

It is an amenable number.

6195997 is a deficient number, since it is larger than the sum of its proper divisors (1).

6195997 is an equidigital number, since it uses as much as digits as its factorization.

6195997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 153090, while the sum is 46.

The square root of 6195997 is about 2489.1759680665. The cubic root of 6195997 is about 183.6695095353.

The spelling of 6195997 in words is "six million, one hundred ninety-five thousand, nine hundred ninety-seven".