82047243 has 16 divisors (see below), whose sum is σ = 111767040. Its totient is φ = 53525664.

The previous prime is 82047227. The next prime is 82047269. The reversal of 82047243 is 34274028.

It is not a de Polignac number, because 82047243 - 2⁴ = 82047227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82047243.

It is not an unprimeable number, because it can be changed into a prime (82047743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25630 + ... + 28652.

It is an arithmetic number, because the mean of its divisors is an integer number (6985440).

Almost surely, 2^82047243 is an apocalyptic number.

82047243 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

82047243 is a deficient number, since it is larger than the sum of its proper divisors (29719797).

82047243 is a wasteful number, since it uses less digits than its factorization.

82047243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3218.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 82047243 is about 9057.9933208189. The cubic root of 82047243 is about 434.5315660301.

The spelling of 82047243 in words is "eighty-two million, forty-seven thousand, two hundred forty-three".