505003117 has 2 divisors, whose sum is σ = 505003118. Its totient is φ = 505003116.

The previous prime is 505003097. The next prime is 505003127. The reversal of 505003117 is 711300505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 504721156 + 281961 = 22466^2 + 531^2 .

It is a cyclic number.

It is not a de Polignac number, because 505003117 - 2¹⁹ = 504478829 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505003127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252501558 + 252501559.

It is an arithmetic number, because the mean of its divisors is an integer number (252501559).

Almost surely, 2^505003117 is an apocalyptic number.

It is an amenable number.

505003117 is a deficient number, since it is larger than the sum of its proper divisors (1).

505003117 is an equidigital number, since it uses as much as digits as its factorization.

505003117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 505003117 is about 22472.2744064770. The cubic root of 505003117 is about 796.3390625807.

The spelling of 505003117 in words is "five hundred five million, three thousand, one hundred seventeen".