82615141 has 4 divisors (see below), whose sum is σ = 94417312. Its totient is φ = 70812972.

The previous prime is 82615109. The next prime is 82615153. The reversal of 82615141 is 14151628.

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 82615141 - 2⁵ = 82615109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82625141) 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, 5901075 + ... + 5901088.

It is an arithmetic number, because the mean of its divisors is an integer number (23604328).

Almost surely, 2^82615141 is an apocalyptic number.

It is an amenable number.

82615141 is a deficient number, since it is larger than the sum of its proper divisors (11802171).

82615141 is a wasteful number, since it uses less digits than its factorization.

82615141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11802170.

The product of its digits is 1920, while the sum is 28.

The square root of 82615141 is about 9089.2871557675. The cubic root of 82615141 is about 435.5318126804.

Adding to 82615141 its reverse (14151628), we get a palindrome (96766769).

The spelling of 82615141 in words is "eighty-two million, six hundred fifteen thousand, one hundred forty-one".