505927 has 2 divisors, whose sum is σ = 505928. Its totient is φ = 505926.

The previous prime is 505919. The next prime is 505949. The reversal of 505927 is 729505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505927 - 2³ = 505919 is a prime.

It is a Chen prime.

505927 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 505895 and 505904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252963 + 252964.

It is an arithmetic number, because the mean of its divisors is an integer number (252964).

2⁵⁰⁵⁹²⁷ is an apocalyptic number.

505927 is a deficient number, since it is larger than the sum of its proper divisors (1).

505927 is an equidigital number, since it uses as much as digits as its factorization.

505927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 505927 is about 711.2854560583. The cubic root of 505927 is about 79.6824390224.

The spelling of 505927 in words is "five hundred five thousand, nine hundred twenty-seven".