505070617 has 2 divisors, whose sum is σ = 505070618. Its totient is φ = 505070616.

The previous prime is 505070591. The next prime is 505070623. The reversal of 505070617 is 716070505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 351037696 + 154032921 = 18736^2 + 12411^2 .

It is a cyclic number.

It is not a de Polignac number, because 505070617 - 2²³ = 496682009 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (505070417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252535308 + 252535309.

It is an arithmetic number, because the mean of its divisors is an integer number (252535309).

Almost surely, 2^505070617 is an apocalyptic number.

It is an amenable number.

505070617 is a deficient number, since it is larger than the sum of its proper divisors (1).

505070617 is an equidigital number, since it uses as much as digits as its factorization.

505070617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 505070617 is about 22473.7762069484. The cubic root of 505070617 is about 796.3745412343.

The spelling of 505070617 in words is "five hundred five million, seventy thousand, six hundred seventeen".