573493985 has 8 divisors (see below), whose sum is σ = 689250600. Its totient is φ = 458089984.

The previous prime is 573493961. The next prime is 573494039. The reversal of 573493985 is 589394375.

It can be written as a sum of positive squares in 4 ways, for example, as 61105489 + 512388496 = 7817^2 + 22636^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 573493985 - 2¹⁰ = 573492961 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84560 + ... + 91089.

It is an arithmetic number, because the mean of its divisors is an integer number (86156325).

Almost surely, 2^573493985 is an apocalyptic number.

It is an amenable number.

573493985 is a deficient number, since it is larger than the sum of its proper divisors (115756615).

573493985 is a wasteful number, since it uses less digits than its factorization.

573493985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176307.

The product of its digits is 4082400, while the sum is 53.

The square root of 573493985 is about 23947.7344439928. The cubic root of 573493985 is about 830.8251266085.

The spelling of 573493985 in words is "five hundred seventy-three million, four hundred ninety-three thousand, nine hundred eighty-five".