573121117 has 2 divisors, whose sum is σ = 573121118. Its totient is φ = 573121116.

The previous prime is 573121099. The next prime is 573121123. The reversal of 573121117 is 711121375.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 463583961 + 109537156 = 21531^2 + 10466^2 .

It is a cyclic number.

It is not a de Polignac number, because 573121117 - 2¹⁵ = 573088349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (573121127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286560558 + 286560559.

It is an arithmetic number, because the mean of its divisors is an integer number (286560559).

Almost surely, 2^573121117 is an apocalyptic number.

It is an amenable number.

573121117 is a deficient number, since it is larger than the sum of its proper divisors (1).

573121117 is an equidigital number, since it uses as much as digits as its factorization.

573121117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1470, while the sum is 28.

The square root of 573121117 is about 23939.9481411301. The cubic root of 573121117 is about 830.6450286628.

The spelling of 573121117 in words is "five hundred seventy-three million, one hundred twenty-one thousand, one hundred seventeen".