82249317 has 16 divisors (see below), whose sum is σ = 122633280. Its totient is φ = 54480816.

The previous prime is 82249303. The next prime is 82249351. The reversal of 82249317 is 71394228.

It is not a de Polignac number, because 82249317 - 2⁴ = 82249301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82249397) 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 15 ways as a sum of consecutive naturals, for example, 5463 + ... + 13940.

It is an arithmetic number, because the mean of its divisors is an integer number (7664580).

Almost surely, 2^82249317 is an apocalyptic number.

It is an amenable number.

82249317 is a deficient number, since it is larger than the sum of its proper divisors (40383963).

82249317 is a wasteful number, since it uses less digits than its factorization.

82249317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19569 (or 19563 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 82249317 is about 9069.1409185214. The cubic root of 82249317 is about 434.8880092204. Note that the first 3 decimals are identical.

The spelling of 82249317 in words is "eighty-two million, two hundred forty-nine thousand, three hundred seventeen".