82054186 has 4 divisors (see below), whose sum is σ = 123081282. Its totient is φ = 41027092.

The previous prime is 82054171. The next prime is 82054187. The reversal of 82054186 is 68145028.

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

It can be written as a sum of positive squares in only one way, i.e., 50481025 + 31573161 = 7105^2 + 5619^2 .

It is not an unprimeable number, because it can be changed into a prime (82054187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20513545 + ... + 20513548.

Almost surely, 2^82054186 is an apocalyptic number.

82054186 is a deficient number, since it is larger than the sum of its proper divisors (41027096).

82054186 is a wasteful number, since it uses less digits than its factorization.

82054186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41027095.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 82054186 is about 9058.3765653675. The cubic root of 82054186 is about 434.5438226579.

The spelling of 82054186 in words is "eighty-two million, fifty-four thousand, one hundred eighty-six".