573881489 has 2 divisors, whose sum is σ = 573881490. Its totient is φ = 573881488.

The previous prime is 573881459. The next prime is 573881501. The reversal of 573881489 is 984188375.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 542890000 + 30991489 = 23300^2 + 5567^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-573881489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 573881489.

It is not a weakly prime, because it can be changed into another prime (573881419) 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 as a sum of consecutive naturals, namely, 286940744 + 286940745.

It is an arithmetic number, because the mean of its divisors is an integer number (286940745).

Almost surely, 2^573881489 is an apocalyptic number.

It is an amenable number.

573881489 is a deficient number, since it is larger than the sum of its proper divisors (1).

573881489 is an equidigital number, since it uses as much as digits as its factorization.

573881489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 53.

The square root of 573881489 is about 23955.8236969635. The cubic root of 573881489 is about 831.0122111483.

The spelling of 573881489 in words is "five hundred seventy-three million, eight hundred eighty-one thousand, four hundred eighty-nine".