505560701 has 2 divisors, whose sum is σ = 505560702. Its totient is φ = 505560700.

The previous prime is 505560691. The next prime is 505560703. The reversal of 505560701 is 107065505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 480048100 + 25512601 = 21910^2 + 5051^2 .

It is a cyclic number.

It is not a de Polignac number, because 505560701 - 2¹⁸ = 505298557 is a prime.

It is a super-2 number, since 2×505560701² = 511183244791222802, which contains 22 as substring.

Together with 505560703, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505560703) 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, 252780350 + 252780351.

It is an arithmetic number, because the mean of its divisors is an integer number (252780351).

Almost surely, 2^505560701 is an apocalyptic number.

It is an amenable number.

505560701 is a deficient number, since it is larger than the sum of its proper divisors (1).

505560701 is an equidigital number, since it uses as much as digits as its factorization.

505560701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 505560701 is about 22484.6770268109. The cubic root of 505560701 is about 796.6320393867.

It can be divided in two parts, 5055 and 60701, that added together give a palindrome (65756).

The spelling of 505560701 in words is "five hundred five million, five hundred sixty thousand, seven hundred one".