82195113 has 64 divisors (see below), whose sum is σ = 149151744. Its totient is φ = 38880000.

The previous prime is 82195109. The next prime is 82195117. The reversal of 82195113 is 31159128.

It is an interprime number because it is at equal distance from previous prime (82195109) and next prime (82195117).

It is not a de Polignac number, because 82195113 - 2² = 82195109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82195117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 303168 + ... + 303438.

It is an arithmetic number, because the mean of its divisors is an integer number (2330496).

Almost surely, 2^82195113 is an apocalyptic number.

It is an amenable number.

82195113 is a deficient number, since it is larger than the sum of its proper divisors (66956631).

82195113 is a wasteful number, since it uses less digits than its factorization.

82195113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406.

The product of its digits is 2160, while the sum is 30.

The square root of 82195113 is about 9066.1520503464. The cubic root of 82195113 is about 434.7924548308.

The spelling of 82195113 in words is "eighty-two million, one hundred ninety-five thousand, one hundred thirteen".