545727 has 16 divisors (see below), whose sum is σ = 896000. Its totient is φ = 287712.

The previous prime is 545723. The next prime is 545731. The reversal of 545727 is 727545.

It is an interprime number because it is at equal distance from previous prime (545723) and next prime (545731).

It is not a de Polignac number, because 545727 - 2² = 545723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545694 and 545703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 727 + ... + 1272.

It is an arithmetic number, because the mean of its divisors is an integer number (56000).

2⁵⁴⁵⁷²⁷ is an apocalyptic number.

545727 is a deficient number, since it is larger than the sum of its proper divisors (350273).

545727 is a wasteful number, since it uses less digits than its factorization.

545727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022.

The product of its digits is 9800, while the sum is 30.

The square root of 545727 is about 738.7333754475. The cubic root of 545727 is about 81.7193958146.

The spelling of 545727 in words is "five hundred forty-five thousand, seven hundred twenty-seven".