82310533 has 8 divisors (see below), whose sum is σ = 85923320. Its totient is φ = 78770880.

The previous prime is 82310531. The next prime is 82310561. The reversal of 82310533 is 33501328.

It can be written as a sum of positive squares in 4 ways, for example, as 4571044 + 77739489 = 2138^2 + 8817^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 82310533 - 2¹ = 82310531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82310498 and 82310507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82310531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15978 + ... + 20491.

It is an arithmetic number, because the mean of its divisors is an integer number (10740415).

Almost surely, 2^82310533 is an apocalyptic number.

It is an amenable number.

82310533 is a deficient number, since it is larger than the sum of its proper divisors (3612787).

82310533 is a wasteful number, since it uses less digits than its factorization.

82310533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36567.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 82310533 is about 9072.5152521228. The cubic root of 82310533 is about 434.9958743608.

The spelling of 82310533 in words is "eighty-two million, three hundred ten thousand, five hundred thirty-three".