82682641 has 2 divisors, whose sum is σ = 82682642. Its totient is φ = 82682640.

The previous prime is 82682627. The next prime is 82682657. The reversal of 82682641 is 14628628.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77369616 + 5313025 = 8796^2 + 2305^2 .

It is a cyclic number.

It is not a de Polignac number, because 82682641 - 2¹⁷ = 82551569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82682641.

It is not a weakly prime, because it can be changed into another prime (82682141) 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, 41341320 + 41341321.

It is an arithmetic number, because the mean of its divisors is an integer number (41341321).

Almost surely, 2^82682641 is an apocalyptic number.

It is an amenable number.

82682641 is a deficient number, since it is larger than the sum of its proper divisors (1).

82682641 is an equidigital number, since it uses as much as digits as its factorization.

82682641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36864, while the sum is 37.

The square root of 82682641 is about 9092.9995601012. Note that the first 3 decimals coincide. The cubic root of 82682641 is about 435.6503962477.

The spelling of 82682641 in words is "eighty-two million, six hundred eighty-two thousand, six hundred forty-one".