713607409 has 2 divisors, whose sum is σ = 713607410. Its totient is φ = 713607408.

The previous prime is 713607373. The next prime is 713607443. The reversal of 713607409 is 904706317.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 712890000 + 717409 = 26700^2 + 847^2 .

It is a cyclic number.

It is not a de Polignac number, because 713607409 - 2⁹ = 713606897 is a prime.

It is not a weakly prime, because it can be changed into another prime (713607509) 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, 356803704 + 356803705.

It is an arithmetic number, because the mean of its divisors is an integer number (356803705).

Almost surely, 2^713607409 is an apocalyptic number.

It is an amenable number.

713607409 is a deficient number, since it is larger than the sum of its proper divisors (1).

713607409 is an equidigital number, since it uses as much as digits as its factorization.

713607409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 713607409 is about 26713.4312472209. The cubic root of 713607409 is about 893.6204870510.

The spelling of 713607409 in words is "seven hundred thirteen million, six hundred seven thousand, four hundred nine".