520235269117 has 2 divisors, whose sum is σ = 520235269118. Its totient is φ = 520235269116.

The previous prime is 520235269093. The next prime is 520235269139. The reversal of 520235269117 is 711962532025.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 431247009636 + 88988259481 = 656694^2 + 298309^2 .

It is a cyclic number.

It is not a de Polignac number, because 520235269117 - 2¹⁹ = 520234744829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520235269157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260117634558 + 260117634559.

It is an arithmetic number, because the mean of its divisors is an integer number (260117634559).

Almost surely, 2^520235269117 is an apocalyptic number.

It is an amenable number.

520235269117 is a deficient number, since it is larger than the sum of its proper divisors (1).

520235269117 is an equidigital number, since it uses as much as digits as its factorization.

520235269117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 520235269117 in words is "five hundred twenty billion, two hundred thirty-five million, two hundred sixty-nine thousand, one hundred seventeen".