83573 has 4 divisors (see below), whose sum is σ = 95520. Its totient is φ = 71628.

The previous prime is 83563. The next prime is 83579. The reversal of 83573 is 37538.

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 83573 - 2⁴ = 83557 is a prime.

It is a super-3 number, since 3×83573³ = 1751133399160551, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5963 + ... + 5976.

It is an arithmetic number, because the mean of its divisors is an integer number (23880).

2⁸³⁵⁷³ is an apocalyptic number.

It is an amenable number.

83573 is a deficient number, since it is larger than the sum of its proper divisors (11947).

83573 is a wasteful number, since it uses less digits than its factorization.

83573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11946.

The product of its digits is 2520, while the sum is 26.

The square root of 83573 is about 289.0899513992. The cubic root of 83573 is about 43.7208567816.

It can be divided in two parts, 83 and 573, that added together give a palindrome (656).

The spelling of 83573 in words is "eighty-three thousand, five hundred seventy-three".