705566117 has 2 divisors, whose sum is σ = 705566118. Its totient is φ = 705566116.

The previous prime is 705566093. The next prime is 705566123. The reversal of 705566117 is 711665507.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 478340641 + 227225476 = 21871^2 + 15074^2 .

It is a cyclic number.

It is not a de Polignac number, because 705566117 - 2⁶ = 705566053 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (705566137) 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, 352783058 + 352783059.

It is an arithmetic number, because the mean of its divisors is an integer number (352783059).

Almost surely, 2^705566117 is an apocalyptic number.

It is an amenable number.

705566117 is a deficient number, since it is larger than the sum of its proper divisors (1).

705566117 is an equidigital number, since it uses as much as digits as its factorization.

705566117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44100, while the sum is 38.

The square root of 705566117 is about 26562.4945552936. The cubic root of 705566117 is about 890.2512092290.

The spelling of 705566117 in words is "seven hundred five million, five hundred sixty-six thousand, one hundred seventeen".