82135603 has 4 divisors (see below), whose sum is σ = 89602488. Its totient is φ = 74668720.

The previous prime is 82135591. The next prime is 82135607. The reversal of 82135603 is 30653128.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82135603 - 2²⁵ = 48581171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82135607) 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 3 ways as a sum of consecutive naturals, for example, 3733426 + ... + 3733447.

It is an arithmetic number, because the mean of its divisors is an integer number (22400622).

Almost surely, 2^82135603 is an apocalyptic number.

82135603 is a deficient number, since it is larger than the sum of its proper divisors (7466885).

82135603 is a wasteful number, since it uses less digits than its factorization.

82135603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7466884.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 82135603 is about 9062.8694683307. The cubic root of 82135603 is about 434.6874982828.

The spelling of 82135603 in words is "eighty-two million, one hundred thirty-five thousand, six hundred three".