505159 has 2 divisors, whose sum is σ = 505160. Its totient is φ = 505158.

The previous prime is 505157. The next prime is 505181. The reversal of 505159 is 951505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505159 - 2¹ = 505157 is a prime.

Together with 505157, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252579 + 252580.

It is an arithmetic number, because the mean of its divisors is an integer number (252580).

2⁵⁰⁵¹⁵⁹ is an apocalyptic number.

505159 is a deficient number, since it is larger than the sum of its proper divisors (1).

505159 is an equidigital number, since it uses as much as digits as its factorization.

505159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1125, while the sum is 25.

The square root of 505159 is about 710.7453833828. The cubic root of 505159 is about 79.6420991416.

The spelling of 505159 in words is "five hundred five thousand, one hundred fifty-nine".