505565059 has 2 divisors, whose sum is σ = 505565060. Its totient is φ = 505565058.

The previous prime is 505564991. The next prime is 505565087. The reversal of 505565059 is 950565505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505565059 - 2¹³ = 505556867 is a prime.

It is not a weakly prime, because it can be changed into another prime (505565089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252782529 + 252782530.

It is an arithmetic number, because the mean of its divisors is an integer number (252782530).

Almost surely, 2^505565059 is an apocalyptic number.

505565059 is a deficient number, since it is larger than the sum of its proper divisors (1).

505565059 is an equidigital number, since it uses as much as digits as its factorization.

505565059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168750, while the sum is 40.

The square root of 505565059 is about 22484.7739370446. The cubic root of 505565059 is about 796.6343284046.

The spelling of 505565059 in words is "five hundred five million, five hundred sixty-five thousand, fifty-nine".