319499 has 2 divisors, whose sum is σ = 319500. Its totient is φ = 319498.

The previous prime is 319489. The next prime is 319511. The reversal of 319499 is 994913.

It is a weak prime.

It is an emirp because it is prime and its reverse (994913) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 319499 - 2⁴ = 319483 is a prime.

It is a super-2 number, since 2×319499² = 204159222002, which contains 22 as substring.

It is a Sophie Germain prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 319499.

It is not a weakly prime, because it can be changed into another prime (319439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159749 + 159750.

It is an arithmetic number, because the mean of its divisors is an integer number (159750).

2³¹⁹⁴⁹⁹ is an apocalyptic number.

319499 is a deficient number, since it is larger than the sum of its proper divisors (1).

319499 is an equidigital number, since it uses as much as digits as its factorization.

319499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8748, while the sum is 35.

The square root of 319499 is about 565.2424258670. The cubic root of 319499 is about 68.3633234742.

It can be divided in two parts, 319 and 499, that added together give a palindrome (818).

The spelling of 319499 in words is "three hundred nineteen thousand, four hundred ninety-nine".