504440017 has 2 divisors, whose sum is σ = 504440018. Its totient is φ = 504440016.

The previous prime is 504440003. The next prime is 504440077. The reversal of 504440017 is 710044405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 487923921 + 16516096 = 22089^2 + 4064^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504440017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 504439973 and 504440000.

It is not a weakly prime, because it can be changed into another prime (504440077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252220008 + 252220009.

It is an arithmetic number, because the mean of its divisors is an integer number (252220009).

Almost surely, 2^504440017 is an apocalyptic number.

It is an amenable number.

504440017 is a deficient number, since it is larger than the sum of its proper divisors (1).

504440017 is an equidigital number, since it uses as much as digits as its factorization.

504440017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 504440017 is about 22459.7421401048. The cubic root of 504440017 is about 796.0429685019.

The spelling of 504440017 in words is "five hundred four million, four hundred forty thousand, seventeen".