82533818 has 8 divisors (see below), whose sum is σ = 123885300. Its totient is φ = 41238720.

The previous prime is 82533817. The next prime is 82533823. The reversal of 82533818 is 81833528.

It can be written as a sum of positive squares in 2 ways, for example, as 72880369 + 9653449 = 8537^2 + 3107^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×82533818² = 13623662227314248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82533817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10223 + ... + 16418.

Almost surely, 2^82533818 is an apocalyptic number.

82533818 is a deficient number, since it is larger than the sum of its proper divisors (41351482).

82533818 is a wasteful number, since it uses less digits than its factorization.

82533818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28192.

The product of its digits is 46080, while the sum is 38.

The square root of 82533818 is about 9084.8124911855. The cubic root of 82533818 is about 435.3888591365.

It can be divided in two parts, 825 and 33818, that added together give a palindrome (34643).

The spelling of 82533818 in words is "eighty-two million, five hundred thirty-three thousand, eight hundred eighteen".