680230651 has 2 divisors, whose sum is σ = 680230652. Its totient is φ = 680230650.

The previous prime is 680230633. The next prime is 680230667. The reversal of 680230651 is 156032086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 680230651 - 2¹⁷ = 680099579 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (680230601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340115325 + 340115326.

It is an arithmetic number, because the mean of its divisors is an integer number (340115326).

Almost surely, 2^680230651 is an apocalyptic number.

680230651 is a deficient number, since it is larger than the sum of its proper divisors (1).

680230651 is an equidigital number, since it uses as much as digits as its factorization.

680230651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 680230651 is about 26081.2317768927. The cubic root of 680230651 is about 879.4653480120.

It can be divided in two parts, 6 and 80230651, that multiplied together give a triangular number (481383906 = T₃₁₀₂₈).

The spelling of 680230651 in words is "six hundred eighty million, two hundred thirty thousand, six hundred fifty-one".