504545 has 16 divisors (see below), whose sum is σ = 656640. Its totient is φ = 370944.

The previous prime is 504527. The next prime is 504547. The reversal of 504545 is 545405.

It is a cyclic number.

It is not a de Polignac number, because 504545 - 2⁸ = 504289 is a prime.

504545 is a modest number, since divided by 4545 gives 50 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 504545.

It is not an unprimeable number, because it can be changed into a prime (504547) 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 15 ways as a sum of consecutive naturals, for example, 4409 + ... + 4521.

It is an arithmetic number, because the mean of its divisors is an integer number (41040).

2⁵⁰⁴⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

504545 is a deficient number, since it is larger than the sum of its proper divisors (152095).

504545 is a wasteful number, since it uses less digits than its factorization.

504545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 504545 is about 710.3133111522. The cubic root of 504545 is about 79.6098188270.

The spelling of 504545 in words is "five hundred four thousand, five hundred forty-five".