82130563 has 8 divisors (see below), whose sum is σ = 85022720. Its totient is φ = 79253640.

The previous prime is 82130557. The next prime is 82130567. The reversal of 82130563 is 36503128.

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 82130563 - 2⁹ = 82130051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82130567) 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 7 ways as a sum of consecutive naturals, for example, 7768 + ... + 14986.

It is an arithmetic number, because the mean of its divisors is an integer number (10627840).

Almost surely, 2^82130563 is an apocalyptic number.

82130563 is a deficient number, since it is larger than the sum of its proper divisors (2892157).

82130563 is a wasteful number, since it uses less digits than its factorization.

82130563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7617.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 82130563 is about 9062.5914064356. The cubic root of 82130563 is about 434.6786070115.

The spelling of 82130563 in words is "eighty-two million, one hundred thirty thousand, five hundred sixty-three".