82403171 has 8 divisors (see below), whose sum is σ = 87376080. Its totient is φ = 77493888.

The previous prime is 82403159. The next prime is 82403207. The reversal of 82403171 is 17130428.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82403171 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 82403171.

It is not an unprimeable number, because it can be changed into a prime (82403141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13226 + ... + 18431.

It is an arithmetic number, because the mean of its divisors is an integer number (10922010).

Almost surely, 2^82403171 is an apocalyptic number.

82403171 is a deficient number, since it is larger than the sum of its proper divisors (4972909).

82403171 is a wasteful number, since it uses less digits than its factorization.

82403171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31813.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 82403171 is about 9077.6192363417. The cubic root of 82403171 is about 435.1590047163.

Adding to 82403171 its reverse (17130428), we get a palindrome (99533599).

It can be divided in two parts, 8240 and 3171, that added together give a palindrome (11411).

The spelling of 82403171 in words is "eighty-two million, four hundred three thousand, one hundred seventy-one".