82538593 has 4 divisors (see below), whose sum is σ = 82614528. Its totient is φ = 82462660.

The previous prime is 82538579. The next prime is 82538597. The reversal of 82538593 is 39583528.

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 82538593 - 2⁹ = 82538081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82538597) 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, 36313 + ... + 38518.

It is an arithmetic number, because the mean of its divisors is an integer number (20653632).

Almost surely, 2^82538593 is an apocalyptic number.

It is an amenable number.

82538593 is a deficient number, since it is larger than the sum of its proper divisors (75935).

82538593 is a wasteful number, since it uses less digits than its factorization.

82538593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75934.

The product of its digits is 259200, while the sum is 43.

The square root of 82538593 is about 9085.0752886258. The cubic root of 82538593 is about 435.3972554592.

The spelling of 82538593 in words is "eighty-two million, five hundred thirty-eight thousand, five hundred ninety-three".