572985881 has 12 divisors (see below), whose sum is σ = 621764460. Its totient is φ = 527791680.

The previous prime is 572985877. The next prime is 572985893. The reversal of 572985881 is 188589275.

It can be written as a sum of positive squares in 6 ways, for example, as 1345600 + 571640281 = 1160^2 + 23909^2 .

It is not a de Polignac number, because 572985881 - 2² = 572985877 is a prime.

It is a super-2 number, since 2×572985881² = 656625639650692322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (572985841) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 82691 + ... + 89351.

It is an arithmetic number, because the mean of its divisors is an integer number (51813705).

Almost surely, 2^572985881 is an apocalyptic number.

It is an amenable number.

572985881 is a deficient number, since it is larger than the sum of its proper divisors (48778579).

572985881 is a wasteful number, since it uses less digits than its factorization.

572985881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7196 (or 7183 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 53.

The square root of 572985881 is about 23937.1234905116. The cubic root of 572985881 is about 830.5796893918.

The spelling of 572985881 in words is "five hundred seventy-two million, nine hundred eighty-five thousand, eight hundred eighty-one".