573064321 has 2 divisors, whose sum is σ = 573064322. Its totient is φ = 573064320.

The previous prime is 573064319. The next prime is 573064337. The reversal of 573064321 is 123460375.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 503508721 + 69555600 = 22439^2 + 8340^2 .

It is a cyclic number.

It is not a de Polignac number, because 573064321 - 2¹ = 573064319 is a prime.

Together with 573064319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (573064361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286532160 + 286532161.

It is an arithmetic number, because the mean of its divisors is an integer number (286532161).

Almost surely, 2^573064321 is an apocalyptic number.

It is an amenable number.

573064321 is a deficient number, since it is larger than the sum of its proper divisors (1).

573064321 is an equidigital number, since it uses as much as digits as its factorization.

573064321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 573064321 is about 23938.7618936318. The cubic root of 573064321 is about 830.6175889284.

The spelling of 573064321 in words is "five hundred seventy-three million, sixty-four thousand, three hundred twenty-one".