712319 has 2 divisors, whose sum is σ = 712320. Its totient is φ = 712318.

The previous prime is 712303. The next prime is 712321. The reversal of 712319 is 913217.

It is a strong prime.

It is an emirp because it is prime and its reverse (913217) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 712319 - 2⁴ = 712303 is a prime.

It is a super-2 number, since 2×712319² = 1014796715522, which contains 22 as substring.

Together with 712321, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 712294 and 712303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (712339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356159 + 356160.

It is an arithmetic number, because the mean of its divisors is an integer number (356160).

2⁷¹²³¹⁹ is an apocalyptic number.

712319 is a deficient number, since it is larger than the sum of its proper divisors (1).

712319 is an equidigital number, since it uses as much as digits as its factorization.

712319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378, while the sum is 23.

The square root of 712319 is about 843.9899288499. The cubic root of 712319 is about 89.3082356292.

The spelling of 712319 in words is "seven hundred twelve thousand, three hundred nineteen".