4320319 has 2 divisors, whose sum is σ = 4320320. Its totient is φ = 4320318.

The previous prime is 4320313. The next prime is 4320341. The reversal of 4320319 is 9130234.

It is an a-pointer prime, because the next prime (4320341) can be obtained adding 4320319 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4320319 - 2³ = 4320311 is a prime.

It is a super-2 number, since 2×4320319² = 37330312523522, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is equal to p₃₀₄₁₆₈ and since 4320319 and 304168 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4320319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4320311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2160159 + 2160160.

It is an arithmetic number, because the mean of its divisors is an integer number (2160160).

Almost surely, 2^4320319 is an apocalyptic number.

4320319 is a deficient number, since it is larger than the sum of its proper divisors (1).

4320319 is an equidigital number, since it uses as much as digits as its factorization.

4320319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 4320319 is about 2078.5377071393. The cubic root of 4320319 is about 162.8690656897.

The spelling of 4320319 in words is "four million, three hundred twenty thousand, three hundred nineteen".