64319 has 2 divisors, whose sum is σ = 64320. Its totient is φ = 64318.

The previous prime is 64303. The next prime is 64327. The reversal of 64319 is 91346.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64319 - 2⁴ = 64303 is a prime.

It is a super-2 number, since 2×64319² = 8273867522, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 64294 and 64303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64399) 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, 32159 + 32160.

It is an arithmetic number, because the mean of its divisors is an integer number (32160).

2⁶⁴³¹⁹ is an apocalyptic number.

64319 is a deficient number, since it is larger than the sum of its proper divisors (1).

64319 is an equidigital number, since it uses as much as digits as its factorization.

64319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 23.

The square root of 64319 is about 253.6119082378. The cubic root of 64319 is about 40.0663482203.

It can be divided in two parts, 64 and 319, that added together give a palindrome (383).

The spelling of 64319 in words is "sixty-four thousand, three hundred nineteen".