545573 has 8 divisors (see below), whose sum is σ = 634560. Its totient is φ = 459360.

The previous prime is 545551. The next prime is 545579. The reversal of 545573 is 375545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 545573 - 2¹⁰ = 544549 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248 + ... + 1073.

It is an arithmetic number, because the mean of its divisors is an integer number (79320).

2⁵⁴⁵⁵⁷³ is an apocalyptic number.

It is an amenable number.

545573 is a deficient number, since it is larger than the sum of its proper divisors (88987).

545573 is a wasteful number, since it uses less digits than its factorization.

545573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387.

The product of its digits is 10500, while the sum is 29.

The square root of 545573 is about 738.6291356290. The cubic root of 545573 is about 81.7117082279.

The spelling of 545573 in words is "five hundred forty-five thousand, five hundred seventy-three".