685322359 has 2 divisors, whose sum is σ = 685322360. Its totient is φ = 685322358.

The previous prime is 685322327. The next prime is 685322387. The reversal of 685322359 is 953223586.

685322359 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 685322359 - 2⁵ = 685322327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (685322389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 342661179 + 342661180.

It is an arithmetic number, because the mean of its divisors is an integer number (342661180).

Almost surely, 2^685322359 is an apocalyptic number.

685322359 is a deficient number, since it is larger than the sum of its proper divisors (1).

685322359 is an equidigital number, since it uses as much as digits as its factorization.

685322359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 43.

The square root of 685322359 is about 26178.6622843873. The cubic root of 685322359 is about 881.6542398794.

The spelling of 685322359 in words is "six hundred eighty-five million, three hundred twenty-two thousand, three hundred fifty-nine".