709043 has 2 divisors, whose sum is σ = 709044. Its totient is φ = 709042.

The previous prime is 708997. The next prime is 709057. The reversal of 709043 is 340907.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 709043 - 2⁶ = 708979 is a prime.

It is not a weakly prime, because it can be changed into another prime (709843) 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, 354521 + 354522.

It is an arithmetic number, because the mean of its divisors is an integer number (354522).

2⁷⁰⁹⁰⁴³ is an apocalyptic number.

709043 is a deficient number, since it is larger than the sum of its proper divisors (1).

709043 is an equidigital number, since it uses as much as digits as its factorization.

709043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 709043 is about 842.0469108072. The cubic root of 709043 is about 89.1711138008.

It can be divided in two parts, 70904 and 3, that added together give a palindrome (70907).

The spelling of 709043 in words is "seven hundred nine thousand, forty-three".