557297473 has 2 divisors, whose sum is σ = 557297474. Its totient is φ = 557297472.

The previous prime is 557297423. The next prime is 557297527. The reversal of 557297473 is 374792755.

557297473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 482768784 + 74528689 = 21972^2 + 8633^2 .

It is a cyclic number.

It is not a de Polignac number, because 557297473 - 2²⁵ = 523743041 is a prime.

It is not a weakly prime, because it can be changed into another prime (557297423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278648736 + 278648737.

It is an arithmetic number, because the mean of its divisors is an integer number (278648737).

Almost surely, 2^557297473 is an apocalyptic number.

It is an amenable number.

557297473 is a deficient number, since it is larger than the sum of its proper divisors (1).

557297473 is an equidigital number, since it uses as much as digits as its factorization.

557297473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1852200, while the sum is 49.

The square root of 557297473 is about 23607.1487689640. The cubic root of 557297473 is about 822.9289825909.

The spelling of 557297473 in words is "five hundred fifty-seven million, two hundred ninety-seven thousand, four hundred seventy-three".