572785 has 8 divisors (see below), whose sum is σ = 695016. Its totient is φ = 453120.

The previous prime is 572777. The next prime is 572791. The reversal of 572785 is 587275.

It can be written as a sum of positive squares in 4 ways, for example, as 152881 + 419904 = 391^2 + 648^2 .

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

It is not a de Polignac number, because 572785 - 2³ = 572777 is a prime.

It is a Duffinian number.

572785 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 572785.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106 + ... + 1075.

It is an arithmetic number, because the mean of its divisors is an integer number (86877).

2⁵⁷²⁷⁸⁵ is an apocalyptic number.

It is an amenable number.

572785 is a deficient number, since it is larger than the sum of its proper divisors (122231).

572785 is a wasteful number, since it uses less digits than its factorization.

572785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283.

The product of its digits is 19600, while the sum is 34.

The square root of 572785 is about 756.8256073892. The cubic root of 572785 is about 83.0482614760.

The spelling of 572785 in words is "five hundred seventy-two thousand, seven hundred eighty-five".