545361 has 4 divisors (see below), whose sum is σ = 727152. Its totient is φ = 363572.

The previous prime is 545329. The next prime is 545371. The reversal of 545361 is 163545.

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 545361 - 2⁵ = 545329 is a prime.

It is a D-number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 545361.

It is not an unprimeable number, because it can be changed into a prime (545371) 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 in 3 ways as a sum of consecutive naturals, for example, 90891 + ... + 90896.

It is an arithmetic number, because the mean of its divisors is an integer number (181788).

2⁵⁴⁵³⁶¹ is an apocalyptic number.

It is an amenable number.

545361 is a deficient number, since it is larger than the sum of its proper divisors (181791).

545361 is a wasteful number, since it uses less digits than its factorization.

545361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181790.

The product of its digits is 1800, while the sum is 24.

The square root of 545361 is about 738.4856125884. The cubic root of 545361 is about 81.7011229494.

The spelling of 545361 in words is "five hundred forty-five thousand, three hundred sixty-one".