573523 has 2 divisors, whose sum is σ = 573524. Its totient is φ = 573522.

The previous prime is 573511. The next prime is 573527. The reversal of 573523 is 325375.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-573523 is a prime.

573523 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (573527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286761 + 286762.

It is an arithmetic number, because the mean of its divisors is an integer number (286762).

2⁵⁷³⁵²³ is an apocalyptic number.

573523 is a deficient number, since it is larger than the sum of its proper divisors (1).

573523 is an equidigital number, since it uses as much as digits as its factorization.

573523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3150, while the sum is 25.

The square root of 573523 is about 757.3130132250. The cubic root of 573523 is about 83.0839137790.

Adding to 573523 its reverse (325375), we get a palindrome (898898).

The spelling of 573523 in words is "five hundred seventy-three thousand, five hundred twenty-three".