557417219 has 2 divisors, whose sum is σ = 557417220. Its totient is φ = 557417218.

The previous prime is 557417143. The next prime is 557417261. The reversal of 557417219 is 912714755.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-557417219 is a prime.

It is a super-2 number, since 2×557417219² = 621427912075387922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (557417279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278708609 + 278708610.

It is an arithmetic number, because the mean of its divisors is an integer number (278708610).

Almost surely, 2^557417219 is an apocalyptic number.

557417219 is a deficient number, since it is larger than the sum of its proper divisors (1).

557417219 is an equidigital number, since it uses as much as digits as its factorization.

557417219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 88200, while the sum is 41.

The square root of 557417219 is about 23609.6848560077. The cubic root of 557417219 is about 822.9879190367.

The spelling of 557417219 in words is "five hundred fifty-seven million, four hundred seventeen thousand, two hundred nineteen".