505340519 has 2 divisors, whose sum is σ = 505340520. Its totient is φ = 505340518.

The previous prime is 505340509. The next prime is 505340527. The reversal of 505340519 is 915043505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505340519 - 2¹² = 505336423 is a prime.

It is a super-2 number, since 2×505340519² = 510738080286378722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505340509) 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, 252670259 + 252670260.

It is an arithmetic number, because the mean of its divisors is an integer number (252670260).

Almost surely, 2^505340519 is an apocalyptic number.

505340519 is a deficient number, since it is larger than the sum of its proper divisors (1).

505340519 is an equidigital number, since it uses as much as digits as its factorization.

505340519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 505340519 is about 22479.7802257940. The cubic root of 505340519 is about 796.5163727579.

The spelling of 505340519 in words is "five hundred five million, three hundred forty thousand, five hundred nineteen".