705630833 has 2 divisors, whose sum is σ = 705630834. Its totient is φ = 705630832.

The previous prime is 705630803. The next prime is 705630839. The reversal of 705630833 is 338036507.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 697857889 + 7772944 = 26417^2 + 2788^2 .

It is a cyclic number.

It is not a de Polignac number, because 705630833 - 2⁶ = 705630769 is a prime.

It is a super-3 number, since 3×705630833³ (a number of 28 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 705630793 and 705630802.

It is not a weakly prime, because it can be changed into another prime (705630839) 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, 352815416 + 352815417.

It is an arithmetic number, because the mean of its divisors is an integer number (352815417).

Almost surely, 2^705630833 is an apocalyptic number.

It is an amenable number.

705630833 is a deficient number, since it is larger than the sum of its proper divisors (1).

705630833 is an equidigital number, since it uses as much as digits as its factorization.

705630833 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 35.

The square root of 705630833 is about 26563.7127111404. The cubic root of 705630833 is about 890.2784269645.

The spelling of 705630833 in words is "seven hundred five million, six hundred thirty thousand, eight hundred thirty-three".