685296701 has 2 divisors, whose sum is σ = 685296702. Its totient is φ = 685296700.

The previous prime is 685296697. The next prime is 685296713. The reversal of 685296701 is 107692586.

685296701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 442092676 + 243204025 = 21026^2 + 15595^2 .

It is a cyclic number.

It is not a de Polignac number, because 685296701 - 2² = 685296697 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (685296751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 342648350 + 342648351.

It is an arithmetic number, because the mean of its divisors is an integer number (342648351).

Almost surely, 2^685296701 is an apocalyptic number.

It is an amenable number.

685296701 is a deficient number, since it is larger than the sum of its proper divisors (1).

685296701 is an equidigital number, since it uses as much as digits as its factorization.

685296701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 685296701 is about 26178.1722242024. The cubic root of 685296701 is about 881.6432368984.

The spelling of 685296701 in words is "six hundred eighty-five million, two hundred ninety-six thousand, seven hundred one".