82530460 has 12 divisors (see below), whose sum is σ = 173314008. Its totient is φ = 33012176.

The previous prime is 82530451. The next prime is 82530479. The reversal of 82530460 is 6403528.

It is a super-2 number, since 2×82530460² = 13622553655623200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 2063242 + ... + 2063281.

It is an arithmetic number, because the mean of its divisors is an integer number (14442834).

Almost surely, 2^82530460 is an apocalyptic number.

It is an amenable number.

82530460 is an abundant number, since it is smaller than the sum of its proper divisors (90783548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82530460 is a wasteful number, since it uses less digits than its factorization.

82530460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4126532 (or 4126530 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 82530460 is about 9084.6276753646. The cubic root of 82530460 is about 435.3829542615.

Adding to 82530460 its reverse (6403528), we get a palindrome (88933988).

The spelling of 82530460 in words is "eighty-two million, five hundred thirty thousand, four hundred sixty".