557958673 has 2 divisors, whose sum is σ = 557958674. Its totient is φ = 557958672.

The previous prime is 557958671. The next prime is 557958703. The reversal of 557958673 is 376859755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 296425089 + 261533584 = 17217^2 + 16172^2 .

It is a cyclic number.

It is not a de Polignac number, because 557958673 - 2¹ = 557958671 is a prime.

It is a super-2 number, since 2×557958673² = 622635761551841858, which contains 22 as substring.

Together with 557958671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (557958671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278979336 + 278979337.

It is an arithmetic number, because the mean of its divisors is an integer number (278979337).

Almost surely, 2^557958673 is an apocalyptic number.

It is an amenable number.

557958673 is a deficient number, since it is larger than the sum of its proper divisors (1).

557958673 is an equidigital number, since it uses as much as digits as its factorization.

557958673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7938000, while the sum is 55.

The square root of 557958673 is about 23621.1488501300. The cubic root of 557958673 is about 823.2543059132.

The spelling of 557958673 in words is "five hundred fifty-seven million, nine hundred fifty-eight thousand, six hundred seventy-three".