705981163 has 2 divisors, whose sum is σ = 705981164. Its totient is φ = 705981162.

The previous prime is 705981149. The next prime is 705981223. The reversal of 705981163 is 361189507.

705981163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 705981163 - 2²¹ = 703884011 is a prime.

It is equal to p_36546592 and since 705981163 and 36546592 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (705981103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352990581 + 352990582.

It is an arithmetic number, because the mean of its divisors is an integer number (352990582).

Almost surely, 2^705981163 is an apocalyptic number.

705981163 is a deficient number, since it is larger than the sum of its proper divisors (1).

705981163 is an equidigital number, since it uses as much as digits as its factorization.

705981163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 705981163 is about 26570.3060388848. The cubic root of 705981163 is about 890.4257370618.

The spelling of 705981163 in words is "seven hundred five million, nine hundred eighty-one thousand, one hundred sixty-three".