545961 has 8 divisors (see below), whose sum is σ = 784000. Its totient is φ = 335952.

The previous prime is 545959. The next prime is 546001. The reversal of 545961 is 169545.

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

It is not a de Polignac number, because 545961 - 2¹ = 545959 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 545961.

It is not an unprimeable number, because it can be changed into a prime (545911) 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, 6961 + ... + 7038.

It is an arithmetic number, because the mean of its divisors is an integer number (98000).

2⁵⁴⁵⁹⁶¹ is an apocalyptic number.

It is an amenable number.

545961 is a deficient number, since it is larger than the sum of its proper divisors (238039).

545961 is a wasteful number, since it uses less digits than its factorization.

545961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14015.

The product of its digits is 5400, while the sum is 30.

The square root of 545961 is about 738.8917376720. The cubic root of 545961 is about 81.7310741850.

The spelling of 545961 in words is "five hundred forty-five thousand, nine hundred sixty-one".