82667533 has 6 divisors (see below), whose sum is σ = 89515914. Its totient is φ = 76308336.

The previous prime is 82667527. The next prime is 82667551. The reversal of 82667533 is 33576628.

It can be written as a sum of positive squares in 3 ways, for example, as 2350089 + 80317444 = 1533^2 + 8962^2 .

It is not a de Polignac number, because 82667533 - 2¹³ = 82659341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82667503) 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 5 ways as a sum of consecutive naturals, for example, 244410 + ... + 244747.

It is an arithmetic number, because the mean of its divisors is an integer number (14919319).

Almost surely, 2^82667533 is an apocalyptic number.

It is an amenable number.

82667533 is a deficient number, since it is larger than the sum of its proper divisors (6848381).

82667533 is a wasteful number, since it uses less digits than its factorization.

82667533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489183 (or 489170 counting only the distinct ones).

The product of its digits is 181440, while the sum is 40.

The square root of 82667533 is about 9092.1687731806. The cubic root of 82667533 is about 435.6238602178.

The spelling of 82667533 in words is "eighty-two million, six hundred sixty-seven thousand, five hundred thirty-three".