82041065 has 8 divisors (see below), whose sum is σ = 104240520. Its totient is φ = 61772032.

The previous prime is 82041061. The next prime is 82041077. The reversal of 82041065 is 56014028.

It can be written as a sum of positive squares in 4 ways, for example, as 2421136 + 79619929 = 1556^2 + 8923^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82041065 - 2² = 82041061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82041061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482510 + ... + 482679.

It is an arithmetic number, because the mean of its divisors is an integer number (13030065).

Almost surely, 2^82041065 is an apocalyptic number.

82041065 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

82041065 is a deficient number, since it is larger than the sum of its proper divisors (22199455).

82041065 is a wasteful number, since it uses less digits than its factorization.

82041065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965211.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 82041065 is about 9057.6522896389. The cubic root of 82041065 is about 434.5206592919.

The spelling of 82041065 in words is "eighty-two million, forty-one thousand, sixty-five".