520542040229 has 2 divisors, whose sum is σ = 520542040230. Its totient is φ = 520542040228.

The previous prime is 520542040219. The next prime is 520542040231. The reversal of 520542040229 is 922040245025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 501533076100 + 19008964129 = 708190^2 + 137873^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520542040229 is a prime.

Together with 520542040231, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520542040219) 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, 260271020114 + 260271020115.

It is an arithmetic number, because the mean of its divisors is an integer number (260271020115).

Almost surely, 2^520542040229 is an apocalyptic number.

It is an amenable number.

520542040229 is a deficient number, since it is larger than the sum of its proper divisors (1).

520542040229 is an equidigital number, since it uses as much as digits as its factorization.

520542040229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 520542040229 in words is "five hundred twenty billion, five hundred forty-two million, forty thousand, two hundred twenty-nine".