505913711 has 2 divisors, whose sum is σ = 505913712. Its totient is φ = 505913710.

The previous prime is 505913689. The next prime is 505913753. The reversal of 505913711 is 117319505.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505913711 is a prime.

It is a super-3 number, since 3×505913711³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505910711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252956855 + 252956856.

It is an arithmetic number, because the mean of its divisors is an integer number (252956856).

Almost surely, 2^505913711 is an apocalyptic number.

505913711 is a deficient number, since it is larger than the sum of its proper divisors (1).

505913711 is an equidigital number, since it uses as much as digits as its factorization.

505913711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4725, while the sum is 32.

The square root of 505913711 is about 22492.5256696530. The cubic root of 505913711 is about 796.8174135313.

The spelling of 505913711 in words is "five hundred five million, nine hundred thirteen thousand, seven hundred eleven".