6159997 has 2 divisors, whose sum is σ = 6159998. Its totient is φ = 6159996.

The previous prime is 6159991. The next prime is 6160003. The reversal of 6159997 is 7999516.

It is a balanced prime because it is at equal distance from previous prime (6159991) and next prime (6160003).

It can be written as a sum of positive squares in only one way, i.e., 3407716 + 2752281 = 1846^2 + 1659^2 .

It is a cyclic number.

It is not a de Polignac number, because 6159997 - 2⁷ = 6159869 is a prime.

It is a Chen prime.

It is an Ulam number.

6159997 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6159991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3079998 + 3079999.

It is an arithmetic number, because the mean of its divisors is an integer number (3079999).

Almost surely, 2^6159997 is an apocalyptic number.

It is an amenable number.

6159997 is a deficient number, since it is larger than the sum of its proper divisors (1).

6159997 is an equidigital number, since it uses as much as digits as its factorization.

6159997 is an evil number, because the sum of its binary digits is even.

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

The square root of 6159997 is about 2481.9341248309. The cubic root of 6159997 is about 183.3130993280.

The spelling of 6159997 in words is "six million, one hundred fifty-nine thousand, nine hundred ninety-seven".