705550943 has 2 divisors, whose sum is σ = 705550944. Its totient is φ = 705550942.

The previous prime is 705550931. The next prime is 705550961. The reversal of 705550943 is 349055507.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 705550943 - 2¹⁰ = 705549919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 705550897 and 705550906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (705550903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352775471 + 352775472.

It is an arithmetic number, because the mean of its divisors is an integer number (352775472).

Almost surely, 2^705550943 is an apocalyptic number.

705550943 is a deficient number, since it is larger than the sum of its proper divisors (1).

705550943 is an equidigital number, since it uses as much as digits as its factorization.

705550943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94500, while the sum is 38.

The square root of 705550943 is about 26562.2089254640. The cubic root of 705550943 is about 890.2448272291.

The spelling of 705550943 in words is "seven hundred five million, five hundred fifty thousand, nine hundred forty-three".