682168541 has 2 divisors, whose sum is σ = 682168542. Its totient is φ = 682168540.

The previous prime is 682168507. The next prime is 682168559. The reversal of 682168541 is 145861286.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 483076441 + 199092100 = 21979^2 + 14110^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-682168541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (682164541) 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, 341084270 + 341084271.

It is an arithmetic number, because the mean of its divisors is an integer number (341084271).

Almost surely, 2^682168541 is an apocalyptic number.

It is an amenable number.

682168541 is a deficient number, since it is larger than the sum of its proper divisors (1).

682168541 is an equidigital number, since it uses as much as digits as its factorization.

682168541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 41.

The square root of 682168541 is about 26118.3563992836. The cubic root of 682168541 is about 880.2997175535.

The spelling of 682168541 in words is "six hundred eighty-two million, one hundred sixty-eight thousand, five hundred forty-one".