6117491 has 2 divisors, whose sum is σ = 6117492. Its totient is φ = 6117490.

The previous prime is 6117451. The next prime is 6117541. The reversal of 6117491 is 1947116.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6117491 - 2¹⁸ = 5855347 is a prime.

It is a super-2 number, since 2×6117491² = 74847392270162, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6117401) 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, 3058745 + 3058746.

It is an arithmetic number, because the mean of its divisors is an integer number (3058746).

Almost surely, 2^6117491 is an apocalyptic number.

6117491 is a deficient number, since it is larger than the sum of its proper divisors (1).

6117491 is an equidigital number, since it uses as much as digits as its factorization.

6117491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 29.

The square root of 6117491 is about 2473.3562218168. The cubic root of 6117491 is about 182.8904856016.

The spelling of 6117491 in words is "six million, one hundred seventeen thousand, four hundred ninety-one".