319259 has 2 divisors, whose sum is σ = 319260. Its totient is φ = 319258.

The previous prime is 319237. The next prime is 319279. The reversal of 319259 is 952913.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-319259 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 319259.

It is not a weakly prime, because it can be changed into another prime (319279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159629 + 159630.

It is an arithmetic number, because the mean of its divisors is an integer number (159630).

2³¹⁹²⁵⁹ is an apocalyptic number.

319259 is a deficient number, since it is larger than the sum of its proper divisors (1).

319259 is an equidigital number, since it uses as much as digits as its factorization.

319259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2430, while the sum is 29.

The square root of 319259 is about 565.0300876945. The cubic root of 319259 is about 68.3462015557.

It can be divided in two parts, 319 and 259, that multiplied together give a triangular number (82621 = T₄₀₆).

The spelling of 319259 in words is "three hundred nineteen thousand, two hundred fifty-nine".