505005019 has 2 divisors, whose sum is σ = 505005020. Its totient is φ = 505005018.

The previous prime is 505005001. The next prime is 505005049. The reversal of 505005019 is 910500505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505005019 - 2¹³ = 504996827 is a prime.

It is a super-2 number, since 2×505005019² = 510060138430380722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 505004984 and 505005002.

It is not a weakly prime, because it can be changed into another prime (505005049) 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, 252502509 + 252502510.

It is an arithmetic number, because the mean of its divisors is an integer number (252502510).

Almost surely, 2^505005019 is an apocalyptic number.

505005019 is a deficient number, since it is larger than the sum of its proper divisors (1).

505005019 is an equidigital number, since it uses as much as digits as its factorization.

505005019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1125, while the sum is 25.

The square root of 505005019 is about 22472.3167252511. The cubic root of 505005019 is about 796.3400623336.

The spelling of 505005019 in words is "five hundred five million, five thousand, nineteen".