82534218 has 64 divisors (see below), whose sum is σ = 191237760. Its totient is φ = 23519232.

The previous prime is 82534217. The next prime is 82534219. The reversal of 82534218 is 81243528.

It is an interprime number because it is at equal distance from previous prime (82534217) and next prime (82534219).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (82534211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88378 + ... + 89306.

It is an arithmetic number, because the mean of its divisors is an integer number (2988090).

Almost surely, 2^82534218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82534218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95618880).

82534218 is an abundant number, since it is smaller than the sum of its proper divisors (108703542).

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

82534218 is a wasteful number, since it uses less digits than its factorization.

82534218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031.

The product of its digits is 15360, while the sum is 33.

The square root of 82534218 is about 9084.8345059225. The cubic root of 82534218 is about 435.3895625058.

The spelling of 82534218 in words is "eighty-two million, five hundred thirty-four thousand, two hundred eighteen".