505000103 has 2 divisors, whose sum is σ = 505000104. Its totient is φ = 505000102.

The previous prime is 505000091. The next prime is 505000123. The reversal of 505000103 is 301000505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505000103 - 2¹⁴ = 504983719 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505000123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252500051 + 252500052.

It is an arithmetic number, because the mean of its divisors is an integer number (252500052).

Almost surely, 2^505000103 is an apocalyptic number.

505000103 is a deficient number, since it is larger than the sum of its proper divisors (1).

505000103 is an equidigital number, since it uses as much as digits as its factorization.

505000103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75, while the sum is 14.

The square root of 505000103 is about 22472.2073459640. The cubic root of 505000103 is about 796.3374783194.

Adding to 505000103 its reverse (301000505), we get a palindrome (806000608).

The spelling of 505000103 in words is "five hundred five million, one hundred three", and thus it is an aban number.