505066619 has 2 divisors, whose sum is σ = 505066620. Its totient is φ = 505066618.

The previous prime is 505066603. The next prime is 505066631. The reversal of 505066619 is 916660505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505066619 - 2⁴ = 505066603 is a prime.

It is a super-2 number, since 2×505066619² = 510184579256182322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (505066649) 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, 252533309 + 252533310.

It is an arithmetic number, because the mean of its divisors is an integer number (252533310).

Almost surely, 2^505066619 is an apocalyptic number.

505066619 is a deficient number, since it is larger than the sum of its proper divisors (1).

505066619 is an equidigital number, since it uses as much as digits as its factorization.

505066619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 505066619 is about 22473.6872586587. The cubic root of 505066619 is about 796.3724399348.

The spelling of 505066619 in words is "five hundred five million, sixty-six thousand, six hundred nineteen".