545965 has 16 divisors (see below), whose sum is σ = 789120. Its totient is φ = 354240.

The previous prime is 545959. The next prime is 546001. The reversal of 545965 is 569545.

It is a happy number.

545965 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 545965 - 2⁵ = 545933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 545965.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255 + ... + 1075.

It is an arithmetic number, because the mean of its divisors is an integer number (49320).

2⁵⁴⁵⁹⁶⁵ is an apocalyptic number.

It is an amenable number.

545965 is a deficient number, since it is larger than the sum of its proper divisors (243155).

545965 is a wasteful number, since it uses less digits than its factorization.

545965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852.

The product of its digits is 27000, while the sum is 34.

The square root of 545965 is about 738.8944444236. The cubic root of 545965 is about 81.7312737863.

The spelling of 545965 in words is "five hundred forty-five thousand, nine hundred sixty-five".