82462321 has 4 divisors (see below), whose sum is σ = 82512612. Its totient is φ = 82412032.

The previous prime is 82462279. The next prime is 82462339. The reversal of 82462321 is 12326428.

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 67831696 + 14630625 = 8236^2 + 3825^2 .

It is a cyclic number.

It is not a de Polignac number, because 82462321 - 2²¹ = 80365169 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82462321.

It is not an unprimeable number, because it can be changed into a prime (82462021) 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 3 ways as a sum of consecutive naturals, for example, 22600 + ... + 25993.

It is an arithmetic number, because the mean of its divisors is an integer number (20628153).

Almost surely, 2^82462321 is an apocalyptic number.

It is an amenable number.

82462321 is a deficient number, since it is larger than the sum of its proper divisors (50291).

82462321 is a wasteful number, since it uses less digits than its factorization.

82462321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50290.

The product of its digits is 4608, while the sum is 28.

The square root of 82462321 is about 9080.8766647279. The cubic root of 82462321 is about 435.2631006248.

Adding to 82462321 its reverse (12326428), we get a palindrome (94788749).

The spelling of 82462321 in words is "eighty-two million, four hundred sixty-two thousand, three hundred twenty-one".