557069971 has 2 divisors, whose sum is σ = 557069972. Its totient is φ = 557069970.

The previous prime is 557069963. The next prime is 557070011. The reversal of 557069971 is 179960755.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 557069971 - 2³ = 557069963 is a prime.

It is not a weakly prime, because it can be changed into another prime (557067971) 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, 278534985 + 278534986.

It is an arithmetic number, because the mean of its divisors is an integer number (278534986).

Almost surely, 2^557069971 is an apocalyptic number.

557069971 is a deficient number, since it is larger than the sum of its proper divisors (1).

557069971 is an equidigital number, since it uses as much as digits as its factorization.

557069971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 595350, while the sum is 49.

The square root of 557069971 is about 23602.3297790705. The cubic root of 557069971 is about 822.8169876631.

The spelling of 557069971 in words is "five hundred fifty-seven million, sixty-nine thousand, nine hundred seventy-one".