319901 has 2 divisors, whose sum is σ = 319902. Its totient is φ = 319900.

The previous prime is 319897. The next prime is 319919. The reversal of 319901 is 109913.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 319225 + 676 = 565^2 + 26^2 .

It is an emirp because it is prime and its reverse (109913) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 319901 - 2² = 319897 is a prime.

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 319901.

It is not a weakly prime, because it can be changed into another prime (319931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159950 + 159951.

It is an arithmetic number, because the mean of its divisors is an integer number (159951).

2³¹⁹⁹⁰¹ is an apocalyptic number.

It is an amenable number.

319901 is a deficient number, since it is larger than the sum of its proper divisors (1).

319901 is an equidigital number, since it uses as much as digits as its factorization.

319901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243, while the sum is 23.

The square root of 319901 is about 565.5979137161. The cubic root of 319901 is about 68.3919834888.

The spelling of 319901 in words is "three hundred nineteen thousand, nine hundred one".