8182147 has 4 divisors (see below), whose sum is σ = 8464320. Its totient is φ = 7899976.

The previous prime is 8182123. The next prime is 8182157. The reversal of 8182147 is 7412818.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8182147 - 2¹¹ = 8180099 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8182157) 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, 141043 + ... + 141100.

It is an arithmetic number, because the mean of its divisors is an integer number (2116080).

Almost surely, 2^8182147 is an apocalyptic number.

8182147 is a deficient number, since it is larger than the sum of its proper divisors (282173).

8182147 is a wasteful number, since it uses less digits than its factorization.

8182147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282172.

The product of its digits is 3584, while the sum is 31.

The square root of 8182147 is about 2860.4452450624. The cubic root of 8182147 is about 201.5065152329.

It can be divided in two parts, 81 and 82147, that added together give a palindrome (82228).

The spelling of 8182147 in words is "eight million, one hundred eighty-two thousand, one hundred forty-seven".