82459649 has 2 divisors, whose sum is σ = 82459650. Its totient is φ = 82459648.

The previous prime is 82459633. The next prime is 82459747. The reversal of 82459649 is 94695428.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66912400 + 15547249 = 8180^2 + 3943^2 .

It is a cyclic number.

It is not a de Polignac number, because 82459649 - 2⁴ = 82459633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82459849) 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, 41229824 + 41229825.

It is an arithmetic number, because the mean of its divisors is an integer number (41229825).

Almost surely, 2^82459649 is an apocalyptic number.

It is an amenable number.

82459649 is a deficient number, since it is larger than the sum of its proper divisors (1).

82459649 is an equidigital number, since it uses as much as digits as its factorization.

82459649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 47.

The square root of 82459649 is about 9080.7295411767. The cubic root of 82459649 is about 435.2583993440.

The spelling of 82459649 in words is "eighty-two million, four hundred fifty-nine thousand, six hundred forty-nine".