545963 has 4 divisors (see below), whose sum is σ = 595608. Its totient is φ = 496320.

The previous prime is 545959. The next prime is 546001. The reversal of 545963 is 369545.

It is a happy number.

545963 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 545963 - 2² = 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 545963.

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 3 ways as a sum of consecutive naturals, for example, 24806 + ... + 24827.

It is an arithmetic number, because the mean of its divisors is an integer number (148902).

2⁵⁴⁵⁹⁶³ is an apocalyptic number.

545963 is a deficient number, since it is larger than the sum of its proper divisors (49645).

545963 is a wasteful number, since it uses less digits than its factorization.

545963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49644.

The product of its digits is 16200, while the sum is 32.

The square root of 545963 is about 738.8930910490. The cubic root of 545963 is about 81.7311739858.

The spelling of 545963 in words is "five hundred forty-five thousand, nine hundred sixty-three".