680327537 has 2 divisors, whose sum is σ = 680327538. Its totient is φ = 680327536.

The previous prime is 680327521. The next prime is 680327551. The reversal of 680327537 is 735723086.

680327537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 518427361 + 161900176 = 22769^2 + 12724^2 .

It is a cyclic number.

It is not a de Polignac number, because 680327537 - 2⁴ = 680327521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 680327494 and 680327503.

It is not a weakly prime, because it can be changed into another prime (680327567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340163768 + 340163769.

It is an arithmetic number, because the mean of its divisors is an integer number (340163769).

Almost surely, 2^680327537 is an apocalyptic number.

It is an amenable number.

680327537 is a deficient number, since it is larger than the sum of its proper divisors (1).

680327537 is an equidigital number, since it uses as much as digits as its factorization.

680327537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 680327537 is about 26083.0891000280. The cubic root of 680327537 is about 879.5071004355.

The spelling of 680327537 in words is "six hundred eighty million, three hundred twenty-seven thousand, five hundred thirty-seven".