573985 has 4 divisors (see below), whose sum is σ = 688788. Its totient is φ = 459184.

The previous prime is 573977. The next prime is 574003. The reversal of 573985 is 589375.

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 110224 + 463761 = 332^2 + 681^2 .

It is a cyclic number.

It is not a de Polignac number, because 573985 - 2³ = 573977 is a prime.

It is a Duffinian number.

573985 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57394 + ... + 57403.

It is an arithmetic number, because the mean of its divisors is an integer number (172197).

2⁵⁷³⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

573985 is a deficient number, since it is larger than the sum of its proper divisors (114803).

573985 is a wasteful number, since it uses less digits than its factorization.

573985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114802.

The product of its digits is 37800, while the sum is 37.

The square root of 573985 is about 757.6179776114. The cubic root of 573985 is about 83.1062171367.

The spelling of 573985 in words is "five hundred seventy-three thousand, nine hundred eighty-five".