82075613 has 4 divisors (see below), whose sum is σ = 82094880. Its totient is φ = 82056348.

The previous prime is 82075601. The next prime is 82075619. The reversal of 82075613 is 31657028.

It is a happy number.

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 82075613 - 2²⁴ = 65298397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82075613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82075619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95 + ... + 12812.

It is an arithmetic number, because the mean of its divisors is an integer number (20523720).

Almost surely, 2^82075613 is an apocalyptic number.

It is an amenable number.

82075613 is a deficient number, since it is larger than the sum of its proper divisors (19267).

82075613 is a wasteful number, since it uses less digits than its factorization.

82075613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19266.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 82075613 is about 9059.5592056126. The cubic root of 82075613 is about 434.5816438449.

The spelling of 82075613 in words is "eighty-two million, seventy-five thousand, six hundred thirteen".