706109 has 2 divisors, whose sum is σ = 706110. Its totient is φ = 706108.

The previous prime is 706099. The next prime is 706117. The reversal of 706109 is 901607.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 386884 + 319225 = 622^2 + 565^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-706109 is a prime.

It is a Sophie Germain 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 (706159) 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, 353054 + 353055.

It is an arithmetic number, because the mean of its divisors is an integer number (353055).

2⁷⁰⁶¹⁰⁹ is an apocalyptic number.

It is an amenable number.

706109 is a deficient number, since it is larger than the sum of its proper divisors (1).

706109 is an equidigital number, since it uses as much as digits as its factorization.

706109 is an odious number, because the sum of its binary digits is odd.

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

The square root of 706109 is about 840.3029215705. The cubic root of 706109 is about 89.0479479046.

The spelling of 706109 in words is "seven hundred six thousand, one hundred nine".