82518442 has 16 divisors (see below), whose sum is σ = 131352192. Its totient is φ = 38745280.

The previous prime is 82518437. The next prime is 82518461. The reversal of 82518442 is 24481528.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 82518398 and 82518407.

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 7 ways as a sum of consecutive naturals, for example, 14223 + ... + 19165.

It is an arithmetic number, because the mean of its divisors is an integer number (8209512).

Almost surely, 2^82518442 is an apocalyptic number.

82518442 is a deficient number, since it is larger than the sum of its proper divisors (48833750).

82518442 is a wasteful number, since it uses less digits than its factorization.

82518442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5453.

The product of its digits is 20480, while the sum is 34.

The square root of 82518442 is about 9083.9662042524. The cubic root of 82518442 is about 435.3618198975.

The spelling of 82518442 in words is "eighty-two million, five hundred eighteen thousand, four hundred forty-two".