680201 has 4 divisors (see below), whose sum is σ = 682500. Its totient is φ = 677904.

The previous prime is 680189. The next prime is 680203. The reversal of 680201 is 102086.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102086 = 2 ⋅51043.

It can be written as a sum of positive squares in 2 ways, for example, as 524176 + 156025 = 724^2 + 395^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-680201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 680201.

It is not an unprimeable number, because it can be changed into a prime (680203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626 + ... + 1323.

It is an arithmetic number, because the mean of its divisors is an integer number (170625).

2⁶⁸⁰²⁰¹ is an apocalyptic number.

It is an amenable number.

680201 is a deficient number, since it is larger than the sum of its proper divisors (2299).

680201 is a wasteful number, since it uses less digits than its factorization.

680201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 680201 is about 824.7429902703. The cubic root of 680201 is about 87.9452569304.

Adding to 680201 its reverse (102086), we get a palindrome (782287).

The spelling of 680201 in words is "six hundred eighty thousand, two hundred one".