82182506 has 12 divisors (see below), whose sum is σ = 143400258. Its totient is φ = 35221032.

The previous prime is 82182479. The next prime is 82182517. The reversal of 82182506 is 60528128.

It can be written as a sum of positive squares in only one way, i.e., 82174225 + 8281 = 9065^2 + 91^2 .

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 5 ways as a sum of consecutive naturals, for example, 419201 + ... + 419396.

Almost surely, 2^82182506 is an apocalyptic number.

82182506 is a deficient number, since it is larger than the sum of its proper divisors (61217752).

82182506 is a wasteful number, since it uses less digits than its factorization.

82182506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838613 (or 838606 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 82182506 is about 9065.4567452501. The cubic root of 82182506 is about 434.7702243577.

The spelling of 82182506 in words is "eighty-two million, one hundred eighty-two thousand, five hundred six".