682662427 has 2 divisors, whose sum is σ = 682662428. Its totient is φ = 682662426.

The previous prime is 682662403. The next prime is 682662443. The reversal of 682662427 is 724266286.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-682662427 is a prime.

It is not a weakly prime, because it can be changed into another prime (682662527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341331213 + 341331214.

It is an arithmetic number, because the mean of its divisors is an integer number (341331214).

Almost surely, 2^682662427 is an apocalyptic number.

682662427 is a deficient number, since it is larger than the sum of its proper divisors (1).

682662427 is an equidigital number, since it uses as much as digits as its factorization.

682662427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 43.

The square root of 682662427 is about 26127.8094565924. The cubic root of 682662427 is about 880.5121102391.

The spelling of 682662427 in words is "six hundred eighty-two million, six hundred sixty-two thousand, four hundred twenty-seven".