682381481 has 2 divisors, whose sum is σ = 682381482. Its totient is φ = 682381480.

The previous prime is 682381463. The next prime is 682381507. The reversal of 682381481 is 184183286.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 584865856 + 97515625 = 24184^2 + 9875^2 .

It is a cyclic number.

It is not a de Polignac number, because 682381481 - 2¹⁴ = 682365097 is a prime.

It is a super-2 number, since 2×682381481² = 931288971223506722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (682381421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341190740 + 341190741.

It is an arithmetic number, because the mean of its divisors is an integer number (341190741).

Almost surely, 2^682381481 is an apocalyptic number.

It is an amenable number.

682381481 is a deficient number, since it is larger than the sum of its proper divisors (1).

682381481 is an equidigital number, since it uses as much as digits as its factorization.

682381481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73728, while the sum is 41.

The square root of 682381481 is about 26122.4325245564. The cubic root of 682381481 is about 880.3913036790.

The spelling of 682381481 in words is "six hundred eighty-two million, three hundred eighty-one thousand, four hundred eighty-one".