575008321 has 2 divisors, whose sum is σ = 575008322. Its totient is φ = 575008320.

The previous prime is 575008319. The next prime is 575008327. The reversal of 575008321 is 123800575.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 514790721 + 60217600 = 22689^2 + 7760^2 .

It is a cyclic number.

It is not a de Polignac number, because 575008321 - 2¹ = 575008319 is a prime.

Together with 575008319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (575008327) 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, 287504160 + 287504161.

It is an arithmetic number, because the mean of its divisors is an integer number (287504161).

Almost surely, 2^575008321 is an apocalyptic number.

It is an amenable number.

575008321 is a deficient number, since it is larger than the sum of its proper divisors (1).

575008321 is an equidigital number, since it uses as much as digits as its factorization.

575008321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 575008321 is about 23979.3311207798. The cubic root of 575008321 is about 831.5557606138. Note that the first 3 decimals are identical.

Adding to 575008321 its reverse (123800575), we get a palindrome (698808896).

The spelling of 575008321 in words is "five hundred seventy-five million, eight thousand, three hundred twenty-one".