685301 has 2 divisors, whose sum is σ = 685302. Its totient is φ = 685300.

The previous prime is 685297. The next prime is 685319. The reversal of 685301 is 103586.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 682276 + 3025 = 826^2 + 55^2 .

It is a cyclic number.

It is not a de Polignac number, because 685301 - 2² = 685297 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (685361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 342650 + 342651.

It is an arithmetic number, because the mean of its divisors is an integer number (342651).

2⁶⁸⁵³⁰¹ is an apocalyptic number.

It is an amenable number.

685301 is a deficient number, since it is larger than the sum of its proper divisors (1).

685301 is an equidigital number, since it uses as much as digits as its factorization.

685301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 685301 is about 827.8290886409. The cubic root of 685301 is about 88.1645080468.

Adding to 685301 its reverse (103586), we get a palindrome (788887).

The spelling of 685301 in words is "six hundred eighty-five thousand, three hundred one".