705259 has 2 divisors, whose sum is σ = 705260. Its totient is φ = 705258.

The previous prime is 705247. The next prime is 705269. The reversal of 705259 is 952507.

It is a strong prime.

It is an emirp because it is prime and its reverse (952507) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 705259 - 2⁹ = 704747 is a prime.

705259 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (705209) 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, 352629 + 352630.

It is an arithmetic number, because the mean of its divisors is an integer number (352630).

2⁷⁰⁵²⁵⁹ is an apocalyptic number.

705259 is a deficient number, since it is larger than the sum of its proper divisors (1).

705259 is an equidigital number, since it uses as much as digits as its factorization.

705259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 705259 is about 839.7969992802. The cubic root of 705259 is about 89.0122021733.

It can be divided in two parts, 70 and 5259, that added together give a square (5329 = 73²).

The spelling of 705259 in words is "seven hundred five thousand, two hundred fifty-nine".