520016677 has 2 divisors, whose sum is σ = 520016678. Its totient is φ = 520016676.

The previous prime is 520016657. The next prime is 520016687. The reversal of 520016677 is 776610025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 519566436 + 450241 = 22794^2 + 671^2 .

It is a cyclic number.

It is not a de Polignac number, because 520016677 - 2²³ = 511628069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520016617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260008338 + 260008339.

It is an arithmetic number, because the mean of its divisors is an integer number (260008339).

Almost surely, 2^520016677 is an apocalyptic number.

It is an amenable number.

520016677 is a deficient number, since it is larger than the sum of its proper divisors (1).

520016677 is an equidigital number, since it uses as much as digits as its factorization.

520016677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 520016677 is about 22803.8741664657. The cubic root of 520016677 is about 804.1537482469.

The spelling of 520016677 in words is "five hundred twenty million, sixteen thousand, six hundred seventy-seven".