82205041 has 4 divisors (see below), whose sum is σ = 84210084. Its totient is φ = 80200000.

The previous prime is 82205033. The next prime is 82205051. The reversal of 82205041 is 14050228.

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 39955041 + 42250000 = 6321^2 + 6500^2 .

It is a cyclic number.

It is not a de Polignac number, because 82205041 - 2³ = 82205033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82205051) 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, 1002460 + ... + 1002541.

It is an arithmetic number, because the mean of its divisors is an integer number (21052521).

Almost surely, 2^82205041 is an apocalyptic number.

It is an amenable number.

82205041 is a deficient number, since it is larger than the sum of its proper divisors (2005043).

82205041 is a wasteful number, since it uses less digits than its factorization.

82205041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005042.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 82205041 is about 9066.6995648913. The cubic root of 82205041 is about 434.8099597065.

Adding to 82205041 its reverse (14050228), we get a palindrome (96255269).

The spelling of 82205041 in words is "eighty-two million, two hundred five thousand, forty-one".