682007009 has 2 divisors, whose sum is σ = 682007010. Its totient is φ = 682007008.

The previous prime is 682006993. The next prime is 682007041. The reversal of 682007009 is 900700286.

It is an a-pointer prime, because the next prime (682007041) can be obtained adding 682007009 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 587917009 + 94090000 = 24247^2 + 9700^2 .

It is a cyclic number.

It is not a de Polignac number, because 682007009 - 2⁴ = 682006993 is a prime.

It is not a weakly prime, because it can be changed into another prime (682007059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341003504 + 341003505.

It is an arithmetic number, because the mean of its divisors is an integer number (341003505).

Almost surely, 2^682007009 is an apocalyptic number.

It is an amenable number.

682007009 is a deficient number, since it is larger than the sum of its proper divisors (1).

682007009 is an equidigital number, since it uses as much as digits as its factorization.

682007009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 682007009 is about 26115.2639082970. The cubic root of 682007009 is about 880.2302294478.

The spelling of 682007009 in words is "six hundred eighty-two million, seven thousand, nine".