683320487 has 2 divisors, whose sum is σ = 683320488. Its totient is φ = 683320486.

The previous prime is 683320453. The next prime is 683320493. The reversal of 683320487 is 784023386.

683320487 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 is a cyclic number.

It is not a de Polignac number, because 683320487 - 2¹⁰ = 683319463 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (683320447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341660243 + 341660244.

It is an arithmetic number, because the mean of its divisors is an integer number (341660244).

Almost surely, 2^683320487 is an apocalyptic number.

683320487 is a deficient number, since it is larger than the sum of its proper divisors (1).

683320487 is an equidigital number, since it uses as much as digits as its factorization.

683320487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 683320487 is about 26140.3995187526. The cubic root of 683320487 is about 880.7949458415.

The spelling of 683320487 in words is "six hundred eighty-three million, three hundred twenty thousand, four hundred eighty-seven".