573813557 has 2 divisors, whose sum is σ = 573813558. Its totient is φ = 573813556.

The previous prime is 573813497. The next prime is 573813587. The reversal of 573813557 is 755318375.

573813557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 451180081 + 122633476 = 21241^2 + 11074^2 .

It is a cyclic number.

It is not a de Polignac number, because 573813557 - 2²⁰ = 572764981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (573813587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286906778 + 286906779.

It is an arithmetic number, because the mean of its divisors is an integer number (286906779).

Almost surely, 2^573813557 is an apocalyptic number.

It is an amenable number.

573813557 is a deficient number, since it is larger than the sum of its proper divisors (1).

573813557 is an equidigital number, since it uses as much as digits as its factorization.

573813557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 441000, while the sum is 44.

The square root of 573813557 is about 23954.4057951768. The cubic root of 573813557 is about 830.9794200870.

The spelling of 573813557 in words is "five hundred seventy-three million, eight hundred thirteen thousand, five hundred fifty-seven".