504945841 has 9 divisors (see below), whose sum is σ = 528395371. Its totient is φ = 482497312.

The previous prime is 504945821. The next prime is 504945901. The reversal of 504945841 is 148549405.

The square root of 504945841 is 22471.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 472410225 + 32535616 = 21735^2 + 5704^2 .

It is a de Polignac number, because none of the positive numbers 2^k-504945841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 504945794 and 504945803.

It is not an unprimeable number, because it can be changed into a prime (504945821) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 516345 + ... + 517321.

Almost surely, 2^504945841 is an apocalyptic number.

504945841 is the 22471-st square number.

504945841 is the 11236-th centered octagonal number.

It is an amenable number.

504945841 is a deficient number, since it is larger than the sum of its proper divisors (23449530).

504945841 is an frugal number, since it uses more digits than its factorization.

504945841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000 (or 1000 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The cubic root of 504945841 is about 796.3089552809.

The spelling of 504945841 in words is "five hundred four million, nine hundred forty-five thousand, eight hundred forty-one".