82541533 has 4 divisors (see below), whose sum is σ = 82560060. Its totient is φ = 82523008.

The previous prime is 82541507. The next prime is 82541551. The reversal of 82541533 is 33514528.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15350724 + 67190809 = 3918^2 + 8197^2 .

It is a cyclic number.

It is not a de Polignac number, because 82541533 - 2²¹ = 80444381 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82541495 and 82541504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82541573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1923 + ... + 12991.

It is an arithmetic number, because the mean of its divisors is an integer number (20640015).

Almost surely, 2^82541533 is an apocalyptic number.

It is an amenable number.

82541533 is a deficient number, since it is larger than the sum of its proper divisors (18527).

82541533 is a wasteful number, since it uses less digits than its factorization.

82541533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18526.

The product of its digits is 14400, while the sum is 31.

The square root of 82541533 is about 9085.2370910175. The cubic root of 82541533 is about 435.4024249711.

The spelling of 82541533 in words is "eighty-two million, five hundred forty-one thousand, five hundred thirty-three".