82130041 has 4 divisors (see below), whose sum is σ = 93862912. Its totient is φ = 70397172.

The previous prime is 82130021. The next prime is 82130051. The reversal of 82130041 is 14003128.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82130041 - 2¹⁵ = 82097273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82130021) 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, 5866425 + ... + 5866438.

It is an arithmetic number, because the mean of its divisors is an integer number (23465728).

Almost surely, 2^82130041 is an apocalyptic number.

It is an amenable number.

82130041 is a deficient number, since it is larger than the sum of its proper divisors (11732871).

82130041 is a wasteful number, since it uses less digits than its factorization.

82130041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11732870.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 82130041 is about 9062.5626066803. The cubic root of 82130041 is about 434.6776861090.

Adding to 82130041 its reverse (14003128), we get a palindrome (96133169).

The spelling of 82130041 in words is "eighty-two million, one hundred thirty thousand, forty-one".