713309 has 2 divisors, whose sum is σ = 713310. Its totient is φ = 713308.

The previous prime is 713287. The next prime is 713311. The reversal of 713309 is 903317.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 592900 + 120409 = 770^2 + 347^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-713309 is a prime.

It is a Sophie Germain prime.

Together with 713311, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (713329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356654 + 356655.

It is an arithmetic number, because the mean of its divisors is an integer number (356655).

2⁷¹³³⁰⁹ is an apocalyptic number.

It is an amenable number.

713309 is a deficient number, since it is larger than the sum of its proper divisors (1).

713309 is an equidigital number, since it uses as much as digits as its factorization.

713309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567, while the sum is 23.

The square root of 713309 is about 844.5762250975. The cubic root of 713309 is about 89.3495908012.

The spelling of 713309 in words is "seven hundred thirteen thousand, three hundred nine".