545019 has 8 divisors (see below), whose sum is σ = 732480. Its totient is φ = 360456.

The previous prime is 544979. The next prime is 545023. The reversal of 545019 is 910545.

545019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 545019 - 2¹⁵ = 512251 is a prime.

It is a super-2 number, since 2×545019² = 594091420722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 545019.

It is not an unprimeable number, because it can be changed into a prime (545029) 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, 237 + ... + 1070.

It is an arithmetic number, because the mean of its divisors is an integer number (91560).

2⁵⁴⁵⁰¹⁹ is an apocalyptic number.

545019 is a deficient number, since it is larger than the sum of its proper divisors (187461).

545019 is a wasteful number, since it uses less digits than its factorization.

545019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 545019 is about 738.2540213233. The cubic root of 545019 is about 81.6840409145.

The spelling of 545019 in words is "five hundred forty-five thousand, nineteen".