545725 has 12 divisors (see below), whose sum is σ = 687456. Its totient is φ = 429680.

The previous prime is 545723. The next prime is 545731. The reversal of 545725 is 527545.

It is not a de Polignac number, because 545725 - 2¹ = 545723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545693 and 545702.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1944 + ... + 2206.

It is an arithmetic number, because the mean of its divisors is an integer number (57288).

2⁵⁴⁵⁷²⁵ is an apocalyptic number.

It is an amenable number.

545725 is a deficient number, since it is larger than the sum of its proper divisors (141731).

545725 is a wasteful number, since it uses less digits than its factorization.

545725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 351 counting only the distinct ones).

The product of its digits is 7000, while the sum is 28.

The square root of 545725 is about 738.7320217779. The cubic root of 545725 is about 81.7192959851.

The spelling of 545725 in words is "five hundred forty-five thousand, seven hundred twenty-five".