557161219 has 2 divisors, whose sum is σ = 557161220. Its totient is φ = 557161218.

The previous prime is 557161193. The next prime is 557161237. The reversal of 557161219 is 912161755.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 557161219 - 2¹¹ = 557159171 is a prime.

It is a super-2 number, since 2×557161219² = 620857247915131922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (557161289) 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, 278580609 + 278580610.

It is an arithmetic number, because the mean of its divisors is an integer number (278580610).

Almost surely, 2^557161219 is an apocalyptic number.

557161219 is a deficient number, since it is larger than the sum of its proper divisors (1).

557161219 is an equidigital number, since it uses as much as digits as its factorization.

557161219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18900, while the sum is 37.

The square root of 557161219 is about 23604.2627294309. The cubic root of 557161219 is about 822.8619109878.

The spelling of 557161219 in words is "five hundred fifty-seven million, one hundred sixty-one thousand, two hundred nineteen".