316189 has 2 divisors, whose sum is σ = 316190. Its totient is φ = 316188.

The previous prime is 316177. The next prime is 316193. The reversal of 316189 is 981613.

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., 302500 + 13689 = 550^2 + 117^2 .

It is a cyclic number.

It is not a de Polignac number, because 316189 - 2⁹ = 315677 is a prime.

It is a Chen prime.

316189 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316109) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158094 + 158095.

It is an arithmetic number, because the mean of its divisors is an integer number (158095).

2³¹⁶¹⁸⁹ is an apocalyptic number.

It is an amenable number.

316189 is a deficient number, since it is larger than the sum of its proper divisors (1).

316189 is an equidigital number, since it uses as much as digits as its factorization.

316189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 28.

The square root of 316189 is about 562.3068557291. The cubic root of 316189 is about 68.1264228303.

It can be divided in two parts, 316 and 189, that added together give a palindrome (505).

The spelling of 316189 in words is "three hundred sixteen thousand, one hundred eighty-nine".