576616321 has 2 divisors, whose sum is σ = 576616322. Its totient is φ = 576616320.

The previous prime is 576616307. The next prime is 576616357. The reversal of 576616321 is 123616675.

576616321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 392634225 + 183982096 = 19815^2 + 13564^2 .

It is a cyclic number.

It is not a de Polignac number, because 576616321 - 2⁵ = 576616289 is a prime.

It is not a weakly prime, because it can be changed into another prime (576616361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 288308160 + 288308161.

It is an arithmetic number, because the mean of its divisors is an integer number (288308161).

Almost surely, 2^576616321 is an apocalyptic number.

It is an amenable number.

576616321 is a deficient number, since it is larger than the sum of its proper divisors (1).

576616321 is an equidigital number, since it uses as much as digits as its factorization.

576616321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 37.

The square root of 576616321 is about 24012.8365879585. The cubic root of 576616321 is about 832.3301825463.

The spelling of 576616321 in words is "five hundred seventy-six million, six hundred sixteen thousand, three hundred twenty-one".