545265 has 32 divisors (see below), whose sum is σ = 1109760. Its totient is φ = 248832.

The previous prime is 545257. The next prime is 545267. The reversal of 545265 is 562545.

It is not a de Polignac number, because 545265 - 2³ = 545257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 5⁴ + 4⁶ + 2¹⁹ + 5⁴ + 6 + 5⁶ .

545265 is a lucky number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (545267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 657 + ... + 1233.

It is an arithmetic number, because the mean of its divisors is an integer number (34680).

2⁵⁴⁵²⁶⁵ is an apocalyptic number.

It is an amenable number.

545265 is an abundant number, since it is smaller than the sum of its proper divisors (564495).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545265 is a wasteful number, since it uses less digits than its factorization.

545265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598 (or 592 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 545265 is about 738.4206118467. The cubic root of 545265 is about 81.6963287134.

The spelling of 545265 in words is "five hundred forty-five thousand, two hundred sixty-five".