6001997 has 2 divisors, whose sum is σ = 6001998. Its totient is φ = 6001996.

The previous prime is 6001991. The next prime is 6002033. The reversal of 6001997 is 7991006.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4932841 + 1069156 = 2221^2 + 1034^2 .

It is a cyclic number.

It is not a de Polignac number, because 6001997 - 2⁴ = 6001981 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6001991) 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, 3000998 + 3000999.

It is an arithmetic number, because the mean of its divisors is an integer number (3000999).

Almost surely, 2^6001997 is an apocalyptic number.

It is an amenable number.

6001997 is a deficient number, since it is larger than the sum of its proper divisors (1).

6001997 is an equidigital number, since it uses as much as digits as its factorization.

6001997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 6001997 is about 2449.8973447881. The cubic root of 6001997 is about 181.7322169905.

The spelling of 6001997 in words is "six million, one thousand, nine hundred ninety-seven".