82544212 has 12 divisors (see below), whose sum is σ = 145422900. Its totient is φ = 40994816.

The previous prime is 82544191. The next prime is 82544213. The reversal of 82544212 is 21244528.

It can be written as a sum of positive squares in 2 ways, for example, as 4857616 + 77686596 = 2204^2 + 8814^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82544213) 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 in 3 ways as a sum of consecutive naturals, for example, 68653 + ... + 69844.

It is an arithmetic number, because the mean of its divisors is an integer number (12118575).

Almost surely, 2^82544212 is an apocalyptic number.

It is an amenable number.

82544212 is a deficient number, since it is larger than the sum of its proper divisors (62878688).

82544212 is a wasteful number, since it uses less digits than its factorization.

82544212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138650 (or 138648 counting only the distinct ones).

The product of its digits is 5120, while the sum is 28.

The square root of 82544212 is about 9085.3845268101. The cubic root of 82544212 is about 435.4071354501.

The spelling of 82544212 in words is "eighty-two million, five hundred forty-four thousand, two hundred twelve".