82518258 has 32 divisors (see below), whose sum is σ = 167227200. Its totient is φ = 27144000.

The previous prime is 82518257. The next prime is 82518263. The reversal of 82518258 is 85281528.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (82518257) 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 15 ways as a sum of consecutive naturals, for example, 236268 + ... + 236616.

It is an arithmetic number, because the mean of its divisors is an integer number (5225850).

Almost surely, 2^82518258 is an apocalyptic number.

82518258 is an abundant number, since it is smaller than the sum of its proper divisors (84708942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82518258 is a wasteful number, since it uses less digits than its factorization.

82518258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762.

The product of its digits is 51200, while the sum is 39.

The square root of 82518258 is about 9083.9560765120. The cubic root of 82518258 is about 435.3614963067.

The spelling of 82518258 in words is "eighty-two million, five hundred eighteen thousand, two hundred fifty-eight".