82533481 has 4 divisors (see below), whose sum is σ = 83765392. Its totient is φ = 81301572.

The previous prime is 82533467. The next prime is 82533497. The reversal of 82533481 is 18433528.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82533481 - 2¹¹ = 82531433 is a prime.

It is a super-2 number, since 2×82533481² = 13623550971954722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82533401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615855 + ... + 615988.

It is an arithmetic number, because the mean of its divisors is an integer number (20941348).

Almost surely, 2^82533481 is an apocalyptic number.

It is an amenable number.

82533481 is a deficient number, since it is larger than the sum of its proper divisors (1231911).

82533481 is a wasteful number, since it uses less digits than its factorization.

82533481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231910.

The product of its digits is 23040, while the sum is 34.

The square root of 82533481 is about 9084.7939437282. The cubic root of 82533481 is about 435.3882665461.

The spelling of 82533481 in words is "eighty-two million, five hundred thirty-three thousand, four hundred eighty-one".