82056005 has 4 divisors (see below), whose sum is σ = 98467212. Its totient is φ = 65644800.

The previous prime is 82055999. The next prime is 82056011. The reversal of 82056005 is 50065028.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (82055999) and next prime (82056011).

It can be written as a sum of positive squares in 2 ways, for example, as 8473921 + 73582084 = 2911^2 + 8578^2 .

It is not a de Polignac number, because 82056005 - 2⁴ = 82055989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 8205596 + ... + 8205605.

It is an arithmetic number, because the mean of its divisors is an integer number (24616803).

Almost surely, 2^82056005 is an apocalyptic number.

It is an amenable number.

82056005 is a deficient number, since it is larger than the sum of its proper divisors (16411207).

82056005 is a wasteful number, since it uses less digits than its factorization.

82056005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16411206.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 82056005 is about 9058.4769691157. The cubic root of 82056005 is about 434.5470336636.

The spelling of 82056005 in words is "eighty-two million, fifty-six thousand, five".