573734221 has 2 divisors, whose sum is σ = 573734222. Its totient is φ = 573734220.

The previous prime is 573734191. The next prime is 573734257. The reversal of 573734221 is 122437375.

573734221 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., 487968100 + 85766121 = 22090^2 + 9261^2 .

It is a cyclic number.

It is not a de Polignac number, because 573734221 - 2²¹ = 571637069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (573737221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286867110 + 286867111.

It is an arithmetic number, because the mean of its divisors is an integer number (286867111).

Almost surely, 2^573734221 is an apocalyptic number.

It is an amenable number.

573734221 is a deficient number, since it is larger than the sum of its proper divisors (1).

573734221 is an equidigital number, since it uses as much as digits as its factorization.

573734221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 34.

The square root of 573734221 is about 23952.7497586394. The cubic root of 573734221 is about 830.9411209908.

The spelling of 573734221 in words is "five hundred seventy-three million, seven hundred thirty-four thousand, two hundred twenty-one".