545270 has 16 divisors (see below), whose sum is σ = 1070928. Its totient is φ = 198240.

The previous prime is 545267. The next prime is 545291. The reversal of 545270 is 72545.

545270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2369 + ... + 2588.

It is an arithmetic number, because the mean of its divisors is an integer number (66933).

2⁵⁴⁵²⁷⁰ is an apocalyptic number.

545270 is a deficient number, since it is larger than the sum of its proper divisors (525658).

545270 is a wasteful number, since it uses less digits than its factorization.

545270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4975.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 545270 is about 738.4239974432. The cubic root of 545270 is about 81.6965784270.

The spelling of 545270 in words is "five hundred forty-five thousand, two hundred seventy".