82006245 has 24 divisors (see below), whose sum is σ = 145988856. Its totient is φ = 42553728.

The previous prime is 82006193. The next prime is 82006297. The reversal of 82006245 is 54260028.

It is an interprime number because it is at equal distance from previous prime (82006193) and next prime (82006297).

It can be written as a sum of positive squares in 4 ways, for example, as 8749764 + 73256481 = 2958^2 + 8559^2 .

It is not a de Polignac number, because 82006245 - 2⁹ = 82005733 is a prime.

It is a Curzon number.

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 23 ways as a sum of consecutive naturals, for example, 22962 + ... + 26291.

It is an arithmetic number, because the mean of its divisors is an integer number (6082869).

Almost surely, 2^82006245 is an apocalyptic number.

It is an amenable number.

82006245 is a deficient number, since it is larger than the sum of its proper divisors (63982611).

82006245 is a wasteful number, since it uses less digits than its factorization.

82006245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49301 (or 49298 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 82006245 is about 9055.7299540125. The cubic root of 82006245 is about 434.4591772753.

The spelling of 82006245 in words is "eighty-two million, six thousand, two hundred forty-five".