680270713 has 2 divisors, whose sum is σ = 680270714. Its totient is φ = 680270712.

The previous prime is 680270711. The next prime is 680270743. The reversal of 680270713 is 317072086.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 443018304 + 237252409 = 21048^2 + 15403^2 .

It is a cyclic number.

It is not a de Polignac number, because 680270713 - 2¹ = 680270711 is a prime.

Together with 680270711, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (680270711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340135356 + 340135357.

It is an arithmetic number, because the mean of its divisors is an integer number (340135357).

Almost surely, 2^680270713 is an apocalyptic number.

It is an amenable number.

680270713 is a deficient number, since it is larger than the sum of its proper divisors (1).

680270713 is an equidigital number, since it uses as much as digits as its factorization.

680270713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 680270713 is about 26081.9997891266. Note that the first 3 decimals coincide. The cubic root of 680270713 is about 879.4826129643.

The spelling of 680270713 in words is "six hundred eighty million, two hundred seventy thousand, seven hundred thirteen".