545253 has 4 divisors (see below), whose sum is σ = 727008. Its totient is φ = 363500.

The previous prime is 545239. The next prime is 545257. The reversal of 545253 is 352545.

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 545253 - 2⁶ = 545189 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545257) 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, 90873 + ... + 90878.

It is an arithmetic number, because the mean of its divisors is an integer number (181752).

2⁵⁴⁵²⁵³ is an apocalyptic number.

It is an amenable number.

545253 is a deficient number, since it is larger than the sum of its proper divisors (181755).

545253 is a wasteful number, since it uses less digits than its factorization.

545253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181754.

The product of its digits is 3000, while the sum is 24.

The square root of 545253 is about 738.4124863516. The cubic root of 545253 is about 81.6957293943.

Adding to 545253 its reverse (352545), we get a palindrome (897798).

The spelling of 545253 in words is "five hundred forty-five thousand, two hundred fifty-three".