573168961 has 4 divisors (see below), whose sum is σ = 588660052. Its totient is φ = 557677872.

The previous prime is 573168931. The next prime is 573169001. The reversal of 573168961 is 169861375.

It is a happy number.

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 539168400 + 34000561 = 23220^2 + 5831^2 .

It is a cyclic number.

It is not a de Polignac number, because 573168961 - 2⁵ = 573168929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (573168931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7745490 + ... + 7745563.

It is an arithmetic number, because the mean of its divisors is an integer number (147165013).

Almost surely, 2^573168961 is an apocalyptic number.

It is an amenable number.

573168961 is a deficient number, since it is larger than the sum of its proper divisors (15491091).

573168961 is a wasteful number, since it uses less digits than its factorization.

573168961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15491090.

The product of its digits is 272160, while the sum is 46.

The square root of 573168961 is about 23940.9473705616. The cubic root of 573168961 is about 830.6681420291.

The spelling of 573168961 in words is "five hundred seventy-three million, one hundred sixty-eight thousand, nine hundred sixty-one".