680203 has 2 divisors, whose sum is σ = 680204. Its totient is φ = 680202.

The previous prime is 680189. The next prime is 680209. The reversal of 680203 is 302086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 680203 - 2⁹ = 679691 is a prime.

It is a super-2 number, since 2×680203² = 925352242418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (680209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340101 + 340102.

It is an arithmetic number, because the mean of its divisors is an integer number (340102).

2⁶⁸⁰²⁰³ is an apocalyptic number.

680203 is a deficient number, since it is larger than the sum of its proper divisors (1).

680203 is an equidigital number, since it uses as much as digits as its factorization.

680203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 680203 is about 824.7442027683. The cubic root of 680203 is about 87.9453431257.

Adding to 680203 its reverse (302086), we get a palindrome (982289).

The spelling of 680203 in words is "six hundred eighty thousand, two hundred three".