80573 has 4 divisors (see below), whose sum is σ = 81180. Its totient is φ = 79968.

The previous prime is 80567. The next prime is 80599. The reversal of 80573 is 37508.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 76729 + 3844 = 277^2 + 62^2 .

It is a cyclic number.

It is not a de Polignac number, because 80573 - 2⁴ = 80557 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11 and base 16.

It is a zygodrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8 + ... + 401.

It is an arithmetic number, because the mean of its divisors is an integer number (20295).

2⁸⁰⁵⁷³ is an apocalyptic number.

It is an amenable number.

80573 is a deficient number, since it is larger than the sum of its proper divisors (607).

80573 is a wasteful number, since it uses less digits than its factorization.

80573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 80573 is about 283.8538356267. The cubic root of 80573 is about 43.1913234175.

It can be divided in two parts, 805 and 73, that added together give a palindrome (878).

The spelling of 80573 in words is "eighty thousand, five hundred seventy-three".