557470717 has 2 divisors, whose sum is σ = 557470718. Its totient is φ = 557470716.

The previous prime is 557470703. The next prime is 557470751. The reversal of 557470717 is 717074755.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 556676836 + 793881 = 23594^2 + 891^2 .

It is a cyclic number.

It is not a de Polignac number, because 557470717 - 2²⁷ = 423252989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557470517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278735358 + 278735359.

It is an arithmetic number, because the mean of its divisors is an integer number (278735359).

Almost surely, 2^557470717 is an apocalyptic number.

It is an amenable number.

557470717 is a deficient number, since it is larger than the sum of its proper divisors (1).

557470717 is an equidigital number, since it uses as much as digits as its factorization.

557470717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240100, while the sum is 43.

The square root of 557470717 is about 23610.8177960866. The cubic root of 557470717 is about 823.0142468918.

The spelling of 557470717 in words is "five hundred fifty-seven million, four hundred seventy thousand, seven hundred seventeen".