680083543 has 2 divisors, whose sum is σ = 680083544. Its totient is φ = 680083542.

The previous prime is 680083541. The next prime is 680083627. The reversal of 680083543 is 345380086.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 680083543 - 2¹ = 680083541 is a prime.

Together with 680083541, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (680083541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340041771 + 340041772.

It is an arithmetic number, because the mean of its divisors is an integer number (340041772).

Almost surely, 2^680083543 is an apocalyptic number.

680083543 is a deficient number, since it is larger than the sum of its proper divisors (1).

680083543 is an equidigital number, since it uses as much as digits as its factorization.

680083543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 680083543 is about 26078.4114355150. The cubic root of 680083543 is about 879.4019451473.

The spelling of 680083543 in words is "six hundred eighty million, eighty-three thousand, five hundred forty-three".