680354293 has 2 divisors, whose sum is σ = 680354294. Its totient is φ = 680354292.

The previous prime is 680354291. The next prime is 680354317. The reversal of 680354293 is 392453086.

680354293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 435682129 + 244672164 = 20873^2 + 15642^2 .

It is a cyclic number.

It is not a de Polignac number, because 680354293 - 2¹ = 680354291 is a prime.

Together with 680354291, 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 (680354291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340177146 + 340177147.

It is an arithmetic number, because the mean of its divisors is an integer number (340177147).

Almost surely, 2^680354293 is an apocalyptic number.

It is an amenable number.

680354293 is a deficient number, since it is larger than the sum of its proper divisors (1).

680354293 is an equidigital number, since it uses as much as digits as its factorization.

680354293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 680354293 is about 26083.6019943565. The cubic root of 680354293 is about 879.5186300700.

The spelling of 680354293 in words is "six hundred eighty million, three hundred fifty-four thousand, two hundred ninety-three".