545625 has 30 divisors (see below), whose sum is σ = 994994. Its totient is φ = 288000.

The previous prime is 545621. The next prime is 545641. The reversal of 545625 is 526545.

It can be written as a sum of positive squares in 5 ways, for example, as 227529 + 318096 = 477^2 + 564^2 .

It is not a de Polignac number, because 545625 - 2² = 545621 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 545625.

It is not an unprimeable number, because it can be changed into a prime (545621) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 5577 + ... + 5673.

2⁵⁴⁵⁶²⁵ is an apocalyptic number.

It is an amenable number.

545625 is a deficient number, since it is larger than the sum of its proper divisors (449369).

545625 is an equidigital number, since it uses as much as digits as its factorization.

545625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 105 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 545625 is about 738.6643351347. The cubic root of 545625 is about 81.7143041981.

The spelling of 545625 in words is "five hundred forty-five thousand, six hundred twenty-five".