520305055033 has 2 divisors, whose sum is σ = 520305055034. Its totient is φ = 520305055032.

The previous prime is 520305055013. The next prime is 520305055051. The reversal of 520305055033 is 330550503025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 472810262544 + 47494792489 = 687612^2 + 217933^2 .

It is a cyclic number.

It is not a de Polignac number, because 520305055033 - 2¹³ = 520305046841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 520305054986 and 520305055004.

It is not a weakly prime, because it can be changed into another prime (520305055013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260152527516 + 260152527517.

It is an arithmetic number, because the mean of its divisors is an integer number (260152527517).

Almost surely, 2^520305055033 is an apocalyptic number.

It is an amenable number.

520305055033 is a deficient number, since it is larger than the sum of its proper divisors (1).

520305055033 is an equidigital number, since it uses as much as digits as its factorization.

520305055033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33750, while the sum is 31.

Adding to 520305055033 its reverse (330550503025), we get a palindrome (850855558058).

The spelling of 520305055033 in words is "five hundred twenty billion, three hundred five million, fifty-five thousand, thirty-three".