83273181 has 16 divisors (see below), whose sum is σ = 120907200. Its totient is φ = 50779008.

The previous prime is 83273167. The next prime is 83273221. The reversal of 83273181 is 18137238.

It is not a de Polignac number, because 83273181 - 2⁵ = 83273149 is a prime.

It is a super-2 number, since 2×83273181² = 13868845347717522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83272181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23536 + ... + 26841.

It is an arithmetic number, because the mean of its divisors is an integer number (7556700).

Almost surely, 2^83273181 is an apocalyptic number.

It is an amenable number.

83273181 is a deficient number, since it is larger than the sum of its proper divisors (37634019).

83273181 is a wasteful number, since it uses less digits than its factorization.

83273181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50428.

The product of its digits is 8064, while the sum is 33.

The square root of 83273181 is about 9125.4140180049. The cubic root of 83273181 is about 436.6851112644.

The spelling of 83273181 in words is "eighty-three million, two hundred seventy-three thousand, one hundred eighty-one".