319427 has 2 divisors, whose sum is σ = 319428. Its totient is φ = 319426.

The previous prime is 319411. The next prime is 319433. The reversal of 319427 is 724913.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 319427 - 2⁴ = 319411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 319396 and 319405.

It is not a weakly prime, because it can be changed into another prime (319477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159713 + 159714.

It is an arithmetic number, because the mean of its divisors is an integer number (159714).

2³¹⁹⁴²⁷ is an apocalyptic number.

319427 is a deficient number, since it is larger than the sum of its proper divisors (1).

319427 is an equidigital number, since it uses as much as digits as its factorization.

319427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 26.

The square root of 319427 is about 565.1787327917. The cubic root of 319427 is about 68.3581877992.

The spelling of 319427 in words is "three hundred nineteen thousand, four hundred twenty-seven".