520424343097 has 2 divisors, whose sum is σ = 520424343098. Its totient is φ = 520424343096.

The previous prime is 520424343083. The next prime is 520424343107. The reversal of 520424343097 is 790343424025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 326327705001 + 194096638096 = 571251^2 + 440564^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520424343097 is a prime.

It is not a weakly prime, because it can be changed into another prime (520424343017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260212171548 + 260212171549.

It is an arithmetic number, because the mean of its divisors is an integer number (260212171549).

Almost surely, 2^520424343097 is an apocalyptic number.

It is an amenable number.

520424343097 is a deficient number, since it is larger than the sum of its proper divisors (1).

520424343097 is an equidigital number, since it uses as much as digits as its factorization.

520424343097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 43.

The spelling of 520424343097 in words is "five hundred twenty billion, four hundred twenty-four million, three hundred forty-three thousand, ninety-seven".