83606543 has 4 divisors (see below), whose sum is σ = 83786040. Its totient is φ = 83427048.

The previous prime is 83606489. The next prime is 83606563. The reversal of 83606543 is 34560638.

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 83606543 - 2¹⁴ = 83590159 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 (83606563) 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, 89048 + ... + 89981.

It is an arithmetic number, because the mean of its divisors is an integer number (20946510).

Almost surely, 2^83606543 is an apocalyptic number.

83606543 is a deficient number, since it is larger than the sum of its proper divisors (179497).

83606543 is a wasteful number, since it uses less digits than its factorization.

83606543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179496.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 83606543 is about 9143.6613563714. The cubic root of 83606543 is about 437.2670529144.

The spelling of 83606543 in words is "eighty-three million, six hundred six thousand, five hundred forty-three".