505493047 has 2 divisors, whose sum is σ = 505493048. Its totient is φ = 505493046.

The previous prime is 505493041. The next prime is 505493063. The reversal of 505493047 is 740394505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505493047 - 2³ = 505493039 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 505492997 and 505493015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505493041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252746523 + 252746524.

It is an arithmetic number, because the mean of its divisors is an integer number (252746524).

Almost surely, 2^505493047 is an apocalyptic number.

505493047 is a deficient number, since it is larger than the sum of its proper divisors (1).

505493047 is an equidigital number, since it uses as much as digits as its factorization.

505493047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 505493047 is about 22483.1725296943. The cubic root of 505493047 is about 796.5965027715.

The spelling of 505493047 in words is "five hundred five million, four hundred ninety-three thousand, forty-seven".