688201 has 2 divisors, whose sum is σ = 688202. Its totient is φ = 688200.

The previous prime is 688187. The next prime is 688217. The reversal of 688201 is 102886.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 524176 + 164025 = 724^2 + 405^2 .

It is a cyclic number.

It is not a de Polignac number, because 688201 - 2⁷ = 688073 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (683201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344100 + 344101.

It is an arithmetic number, because the mean of its divisors is an integer number (344101).

2⁶⁸⁸²⁰¹ is an apocalyptic number.

It is an amenable number.

688201 is a deficient number, since it is larger than the sum of its proper divisors (1).

688201 is an equidigital number, since it uses as much as digits as its factorization.

688201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 688201 is about 829.5788087940. The cubic root of 688201 is about 88.2886954563.

The spelling of 688201 in words is "six hundred eighty-eight thousand, two hundred one".