319469 has 2 divisors, whose sum is σ = 319470. Its totient is φ = 319468.

The previous prime is 319453. The next prime is 319477. The reversal of 319469 is 964913.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 316969 + 2500 = 563^2 + 50^2 .

It is an emirp because it is prime and its reverse (964913) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 319469 - 2⁴ = 319453 is a prime.

It is a super-2 number, since 2×319469² = 204120883922, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 319469.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159734 + 159735.

It is an arithmetic number, because the mean of its divisors is an integer number (159735).

2³¹⁹⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

319469 is a deficient number, since it is larger than the sum of its proper divisors (1).

319469 is an equidigital number, since it uses as much as digits as its factorization.

319469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 32.

The square root of 319469 is about 565.2158879579. The cubic root of 319469 is about 68.3611837034.

The spelling of 319469 in words is "three hundred nineteen thousand, four hundred sixty-nine".