545017 has 4 divisors (see below), whose sum is σ = 594576. Its totient is φ = 495460.

The previous prime is 544979. The next prime is 545023. The reversal of 545017 is 710545.

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 545017 - 2⁷ = 544889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545057) 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, 24763 + ... + 24784.

It is an arithmetic number, because the mean of its divisors is an integer number (148644).

2⁵⁴⁵⁰¹⁷ is an apocalyptic number.

It is an amenable number.

545017 is a deficient number, since it is larger than the sum of its proper divisors (49559).

545017 is a wasteful number, since it uses less digits than its factorization.

545017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49558.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 545017 is about 738.2526667747. The cubic root of 545017 is about 81.6839409985.

The spelling of 545017 in words is "five hundred forty-five thousand, seventeen".