573456913 has 4 divisors (see below), whose sum is σ = 582857908. Its totient is φ = 564055920.

The previous prime is 573456911. The next prime is 573456959. The reversal of 573456913 is 319654375.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 72726784 + 500730129 = 8528^2 + 22377^2 .

It is a cyclic number.

It is not a de Polignac number, because 573456913 - 2¹ = 573456911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 573456913.

It is not an unprimeable number, because it can be changed into a prime (573456911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4700406 + ... + 4700527.

It is an arithmetic number, because the mean of its divisors is an integer number (145714477).

Almost surely, 2^573456913 is an apocalyptic number.

It is an amenable number.

573456913 is a deficient number, since it is larger than the sum of its proper divisors (9400995).

573456913 is an equidigital number, since it uses as much as digits as its factorization.

573456913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9400994.

The product of its digits is 340200, while the sum is 43.

The square root of 573456913 is about 23946.9604125451. The cubic root of 573456913 is about 830.8072240593.

The spelling of 573456913 in words is "five hundred seventy-three million, four hundred fifty-six thousand, nine hundred thirteen".