557265673 has 2 divisors, whose sum is σ = 557265674. Its totient is φ = 557265672.

The previous prime is 557265659. The next prime is 557265677. The reversal of 557265673 is 376562755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 299566864 + 257698809 = 17308^2 + 16053^2 .

It is a cyclic number.

It is not a de Polignac number, because 557265673 - 2¹⁷ = 557134601 is a prime.

It is not a weakly prime, because it can be changed into another prime (557265677) 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, 278632836 + 278632837.

It is an arithmetic number, because the mean of its divisors is an integer number (278632837).

Almost surely, 2^557265673 is an apocalyptic number.

It is an amenable number.

557265673 is a deficient number, since it is larger than the sum of its proper divisors (1).

557265673 is an equidigital number, since it uses as much as digits as its factorization.

557265673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1323000, while the sum is 46.

The square root of 557265673 is about 23606.4752345622. The cubic root of 557265673 is about 822.9133298856.

The spelling of 557265673 in words is "five hundred fifty-seven million, two hundred sixty-five thousand, six hundred seventy-three".