82054205 has 4 divisors (see below), whose sum is σ = 98465052. Its totient is φ = 65643360.

The previous prime is 82054201. The next prime is 82054237. The reversal of 82054205 is 50245028.

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

It can be written as a sum of positive squares in 2 ways, for example, as 36747844 + 45306361 = 6062^2 + 6731^2 .

It is not a de Polignac number, because 82054205 - 2² = 82054201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82054201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8205416 + ... + 8205425.

It is an arithmetic number, because the mean of its divisors is an integer number (24616263).

Almost surely, 2^82054205 is an apocalyptic number.

It is an amenable number.

82054205 is a deficient number, since it is larger than the sum of its proper divisors (16410847).

82054205 is a wasteful number, since it uses less digits than its factorization.

82054205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16410846.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 82054205 is about 9058.3776141205. The cubic root of 82054205 is about 434.5438561981.

The spelling of 82054205 in words is "eighty-two million, fifty-four thousand, two hundred five".