680498303 has 2 divisors, whose sum is σ = 680498304. Its totient is φ = 680498302.

The previous prime is 680498257. The next prime is 680498333. The reversal of 680498303 is 303894086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 680498303 - 2⁶ = 680498239 is a prime.

It is a Chen prime.

It is equal to p_35294594 and since 680498303 and 35294594 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (680498333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340249151 + 340249152.

It is an arithmetic number, because the mean of its divisors is an integer number (340249152).

Almost surely, 2^680498303 is an apocalyptic number.

680498303 is a deficient number, since it is larger than the sum of its proper divisors (1).

680498303 is an equidigital number, since it uses as much as digits as its factorization.

680498303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 680498303 is about 26086.3623949373. The cubic root of 680498303 is about 879.5806813393.

The spelling of 680498303 in words is "six hundred eighty million, four hundred ninety-eight thousand, three hundred three".