505065599 has 2 divisors, whose sum is σ = 505065600. Its totient is φ = 505065598.

The previous prime is 505065571. The next prime is 505065641. The reversal of 505065599 is 995560505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505065599 - 2¹² = 505061503 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505085599) 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, 252532799 + 252532800.

It is an arithmetic number, because the mean of its divisors is an integer number (252532800).

Almost surely, 2^505065599 is an apocalyptic number.

505065599 is a deficient number, since it is larger than the sum of its proper divisors (1).

505065599 is an equidigital number, since it uses as much as digits as its factorization.

505065599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 303750, while the sum is 44.

The square root of 505065599 is about 22473.6645654419. The cubic root of 505065599 is about 796.3719038337.

The spelling of 505065599 in words is "five hundred five million, sixty-five thousand, five hundred ninety-nine".