82057005 has 12 divisors (see below), whose sum is σ = 142232220. Its totient is φ = 43763712.

The previous prime is 82056983. The next prime is 82057033. The reversal of 82057005 is 50075028.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 56836521 + 25220484 = 7539^2 + 5022^2 .

It is not a de Polignac number, because 82057005 - 2⁹ = 82056493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82057005.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 911700 + ... + 911789.

It is an arithmetic number, because the mean of its divisors is an integer number (11852685).

Almost surely, 2^82057005 is an apocalyptic number.

It is an amenable number.

82057005 is a deficient number, since it is larger than the sum of its proper divisors (60175215).

82057005 is a wasteful number, since it uses less digits than its factorization.

82057005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823500 (or 1823497 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 82057005 is about 9058.5321658644. The cubic root of 82057005 is about 434.5487989022.

The spelling of 82057005 in words is "eighty-two million, fifty-seven thousand, five".