6117557 has 2 divisors, whose sum is σ = 6117558. Its totient is φ = 6117556.

The previous prime is 6117541. The next prime is 6117581. The reversal of 6117557 is 7557116.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5410276 + 707281 = 2326^2 + 841^2 .

It is a cyclic number.

It is not a de Polignac number, because 6117557 - 2⁴ = 6117541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6137557) 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, 3058778 + 3058779.

It is an arithmetic number, because the mean of its divisors is an integer number (3058779).

Almost surely, 2^6117557 is an apocalyptic number.

It is an amenable number.

6117557 is a deficient number, since it is larger than the sum of its proper divisors (1).

6117557 is an equidigital number, since it uses as much as digits as its factorization.

6117557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7350, while the sum is 32.

The square root of 6117557 is about 2473.3695639754. The cubic root of 6117557 is about 182.8911433183.

The spelling of 6117557 in words is "six million, one hundred seventeen thousand, five hundred fifty-seven".