82519171 has 8 divisors (see below), whose sum is σ = 95224064. Its totient is φ = 70043400.

The previous prime is 82519141. The next prime is 82519187. The reversal of 82519171 is 17191528.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-82519171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82519141) 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, 56505 + ... + 57946.

It is an arithmetic number, because the mean of its divisors is an integer number (11903008).

Almost surely, 2^82519171 is an apocalyptic number.

82519171 is a deficient number, since it is larger than the sum of its proper divisors (12704893).

82519171 is a wasteful number, since it uses less digits than its factorization.

82519171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114561.

The product of its digits is 5040, while the sum is 34.

The square root of 82519171 is about 9084.0063298085. The cubic root of 82519171 is about 435.3631019456.

The spelling of 82519171 in words is "eighty-two million, five hundred nineteen thousand, one hundred seventy-one".