682565761 has 2 divisors, whose sum is σ = 682565762. Its totient is φ = 682565760.

The previous prime is 682565713. The next prime is 682565771. The reversal of 682565761 is 167565286.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 605898225 + 76667536 = 24615^2 + 8756^2 .

It is a cyclic number.

It is not a de Polignac number, because 682565761 - 2¹⁹ = 682041473 is a prime.

It is not a weakly prime, because it can be changed into another prime (682565701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341282880 + 341282881.

It is an arithmetic number, because the mean of its divisors is an integer number (341282881).

Almost surely, 2^682565761 is an apocalyptic number.

It is an amenable number.

682565761 is a deficient number, since it is larger than the sum of its proper divisors (1).

682565761 is an equidigital number, since it uses as much as digits as its factorization.

682565761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 46.

The square root of 682565761 is about 26125.9595230491. The cubic root of 682565761 is about 880.4705476756.

The spelling of 682565761 in words is "six hundred eighty-two million, five hundred sixty-five thousand, seven hundred sixty-one".