505055519 has 2 divisors, whose sum is σ = 505055520. Its totient is φ = 505055518.

The previous prime is 505055501. The next prime is 505055521. The reversal of 505055519 is 915550505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505055519 - 2⁸ = 505055263 is a prime.

It is a super-2 number, since 2×505055519² = 510162154544718722, which contains 22 as substring.

Together with 505055521, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505055219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252527759 + 252527760.

It is an arithmetic number, because the mean of its divisors is an integer number (252527760).

Almost surely, 2^505055519 is an apocalyptic number.

505055519 is a deficient number, since it is larger than the sum of its proper divisors (1).

505055519 is an equidigital number, since it uses as much as digits as its factorization.

505055519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28125, while the sum is 35.

The square root of 505055519 is about 22473.4403018318. The cubic root of 505055519 is about 796.3666058537.

The spelling of 505055519 in words is "five hundred five million, fifty-five thousand, five hundred nineteen".