545973 has 8 divisors (see below), whose sum is σ = 734208. Its totient is φ = 360864.

The previous prime is 545959. The next prime is 546001. The reversal of 545973 is 379545.

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

It is not a de Polignac number, because 545973 - 2¹³ = 537781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545933) 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, 336 + ... + 1097.

It is an arithmetic number, because the mean of its divisors is an integer number (91776).

2⁵⁴⁵⁹⁷³ is an apocalyptic number.

It is an amenable number.

545973 is a deficient number, since it is larger than the sum of its proper divisors (188235).

545973 is a wasteful number, since it uses less digits than its factorization.

545973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563.

The product of its digits is 18900, while the sum is 33.

The square root of 545973 is about 738.8998578969. The cubic root of 545973 is about 81.7316729858.

The spelling of 545973 in words is "five hundred forty-five thousand, nine hundred seventy-three".