505005219 has 8 divisors (see below), whose sum is σ = 748155920. Its totient is φ = 336670128.

The previous prime is 505005211. The next prime is 505005233. The reversal of 505005219 is 912500505.

It is not a de Polignac number, because 505005219 - 2³ = 505005211 is a prime.

It is a super-2 number, since 2×505005219² = 510060542434475922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 18703897 = 505005219 / (5 + 0 + 5 + 0 + 0 + 5 + 2 + 1 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505005192 and 505005201.

It is not an unprimeable number, because it can be changed into a prime (505005211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9351922 + ... + 9351975.

It is an arithmetic number, because the mean of its divisors is an integer number (93519490).

Almost surely, 2^505005219 is an apocalyptic number.

505005219 is a deficient number, since it is larger than the sum of its proper divisors (243150701).

505005219 is a wasteful number, since it uses less digits than its factorization.

505005219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18703906 (or 18703900 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The square root of 505005219 is about 22472.3211751701. The cubic root of 505005219 is about 796.3401674599.

The spelling of 505005219 in words is "five hundred five million, five thousand, two hundred nineteen".