520883317 has 2 divisors, whose sum is σ = 520883318. Its totient is φ = 520883316.

The previous prime is 520883303. The next prime is 520883327. The reversal of 520883317 is 713388025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 360962001 + 159921316 = 18999^2 + 12646^2 .

It is a cyclic number.

It is not a de Polignac number, because 520883317 - 2⁷ = 520883189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520883327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260441658 + 260441659.

It is an arithmetic number, because the mean of its divisors is an integer number (260441659).

Almost surely, 2^520883317 is an apocalyptic number.

It is an amenable number.

520883317 is a deficient number, since it is larger than the sum of its proper divisors (1).

520883317 is an equidigital number, since it uses as much as digits as its factorization.

520883317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 520883317 is about 22822.8682903793. The cubic root of 520883317 is about 804.6002243212.

The spelling of 520883317 in words is "five hundred twenty million, eight hundred eighty-three thousand, three hundred seventeen".