316493 has 2 divisors, whose sum is σ = 316494. Its totient is φ = 316492.

The previous prime is 316471. The next prime is 316499. The reversal of 316493 is 394613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170569 + 145924 = 413^2 + 382^2 .

It is a cyclic number.

It is not a de Polignac number, because 316493 - 2⁶ = 316429 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158246 + 158247.

It is an arithmetic number, because the mean of its divisors is an integer number (158247).

2³¹⁶⁴⁹³ is an apocalyptic number.

It is an amenable number.

316493 is a deficient number, since it is larger than the sum of its proper divisors (1).

316493 is an equidigital number, since it uses as much as digits as its factorization.

316493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 26.

The square root of 316493 is about 562.5771058264. The cubic root of 316493 is about 68.1482492261.

The spelling of 316493 in words is "three hundred sixteen thousand, four hundred ninety-three".