705234029 has 2 divisors, whose sum is σ = 705234030. Its totient is φ = 705234028.

The previous prime is 705234011. The next prime is 705234031. The reversal of 705234029 is 920432507.

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., 701031529 + 4202500 = 26477^2 + 2050^2 .

It is an emirp because it is prime and its reverse (920432507) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 705234029 - 2²⁸ = 436798573 is a prime.

Together with 705234031, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 705233986 and 705234004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (705224029) 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, 352617014 + 352617015.

It is an arithmetic number, because the mean of its divisors is an integer number (352617015).

Almost surely, 2^705234029 is an apocalyptic number.

It is an amenable number.

705234029 is a deficient number, since it is larger than the sum of its proper divisors (1).

705234029 is an equidigital number, since it uses as much as digits as its factorization.

705234029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 705234029 is about 26556.2427500578. The cubic root of 705234029 is about 890.1115161364. Note that the first 3 decimals are identical.

The spelling of 705234029 in words is "seven hundred five million, two hundred thirty-four thousand, twenty-nine".