573161 has 2 divisors, whose sum is σ = 573162. Its totient is φ = 573160.

The previous prime is 573143. The next prime is 573163. The reversal of 573161 is 161375.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 570025 + 3136 = 755^2 + 56^2 .

It is a cyclic number.

It is not a de Polignac number, because 573161 - 2¹⁰ = 572137 is a prime.

It is a Sophie Germain prime.

Together with 573163, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (573163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286580 + 286581.

It is an arithmetic number, because the mean of its divisors is an integer number (286581).

2⁵⁷³¹⁶¹ is an apocalyptic number.

It is an amenable number.

573161 is a deficient number, since it is larger than the sum of its proper divisors (1).

573161 is an equidigital number, since it uses as much as digits as its factorization.

573161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 630, while the sum is 23.

The square root of 573161 is about 757.0739726077. The cubic root of 573161 is about 83.0664296171.

The spelling of 573161 in words is "five hundred seventy-three thousand, one hundred sixty-one".