505011499 has 2 divisors, whose sum is σ = 505011500. Its totient is φ = 505011498.

The previous prime is 505011491. The next prime is 505011517. The reversal of 505011499 is 994110505.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505011499 - 2³ = 505011491 is a prime.

It is a super-2 number, since 2×505011499² = 510073228244454002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (505011491) 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, 252505749 + 252505750.

It is an arithmetic number, because the mean of its divisors is an integer number (252505750).

Almost surely, 2^505011499 is an apocalyptic number.

505011499 is a deficient number, since it is larger than the sum of its proper divisors (1).

505011499 is an equidigital number, since it uses as much as digits as its factorization.

505011499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 505011499 is about 22472.4609021798. The cubic root of 505011499 is about 796.3434684129.

The spelling of 505011499 in words is "five hundred five million, eleven thousand, four hundred ninety-nine".