680809301 has 2 divisors, whose sum is σ = 680809302. Its totient is φ = 680809300.

The previous prime is 680809291. The next prime is 680809309. The reversal of 680809301 is 103908086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 613552900 + 67256401 = 24770^2 + 8201^2 .

It is a cyclic number.

It is not a de Polignac number, because 680809301 - 2¹⁰ = 680808277 is a prime.

It is a Chen prime.

It is equal to p_35309744 and since 680809301 and 35309744 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 (680809309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340404650 + 340404651.

It is an arithmetic number, because the mean of its divisors is an integer number (340404651).

Almost surely, 2^680809301 is an apocalyptic number.

It is an amenable number.

680809301 is a deficient number, since it is larger than the sum of its proper divisors (1).

680809301 is an equidigital number, since it uses as much as digits as its factorization.

680809301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 680809301 is about 26092.3226447934. The cubic root of 680809301 is about 879.7146548164.

The spelling of 680809301 in words is "six hundred eighty million, eight hundred nine thousand, three hundred one".