709117 has 2 divisors, whose sum is σ = 709118. Its totient is φ = 709116.

The previous prime is 709097. The next prime is 709123. The reversal of 709117 is 711907.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 498436 + 210681 = 706^2 + 459^2 .

It is a cyclic number.

It is not a de Polignac number, because 709117 - 2⁷ = 708989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 709091 and 709100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (709157) 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, 354558 + 354559.

It is an arithmetic number, because the mean of its divisors is an integer number (354559).

2⁷⁰⁹¹¹⁷ is an apocalyptic number.

It is an amenable number.

709117 is a deficient number, since it is larger than the sum of its proper divisors (1).

709117 is an equidigital number, since it uses as much as digits as its factorization.

709117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 441, while the sum is 25.

The square root of 709117 is about 842.0908502056. The cubic root of 709117 is about 89.1742158378.

The spelling of 709117 in words is "seven hundred nine thousand, one hundred seventeen".