57173 has 2 divisors, whose sum is σ = 57174. Its totient is φ = 57172.

The previous prime is 57163. The next prime is 57179. The reversal of 57173 is 37175.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56644 + 529 = 238^2 + 23^2 .

It is a cyclic number.

It is not a de Polignac number, because 57173 - 2¹⁰ = 56149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28586 + 28587.

It is an arithmetic number, because the mean of its divisors is an integer number (28587).

2⁵⁷¹⁷³ is an apocalyptic number.

It is an amenable number.

57173 is a deficient number, since it is larger than the sum of its proper divisors (1).

57173 is an equidigital number, since it uses as much as digits as its factorization.

57173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 735, while the sum is 23.

The square root of 57173 is about 239.1087618637. The cubic root of 57173 is about 38.5239071169.

The spelling of 57173 in words is "fifty-seven thousand, one hundred seventy-three".