82130841 has 24 divisors (see below), whose sum is σ = 132496000. Its totient is φ = 50540112.

The previous prime is 82130837. The next prime is 82130879. The reversal of 82130841 is 14803128.

It is not a de Polignac number, because 82130841 - 2² = 82130837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (82130801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9841 + ... + 16158.

Almost surely, 2^82130841 is an apocalyptic number.

82130841 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

82130841 is a deficient number, since it is larger than the sum of its proper divisors (50365159).

82130841 is a wasteful number, since it uses less digits than its factorization.

82130841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26027 (or 26015 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 82130841 is about 9062.6067441989. The cubic root of 82130841 is about 434.6790974522.

Adding to 82130841 its reverse (14803128), we get a palindrome (96933969).

The spelling of 82130841 in words is "eighty-two million, one hundred thirty thousand, eight hundred forty-one".