520434533 has 2 divisors, whose sum is σ = 520434534. Its totient is φ = 520434532.

The previous prime is 520434527. The next prime is 520434557. The reversal of 520434533 is 335434025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 426092164 + 94342369 = 20642^2 + 9713^2 .

It is a cyclic number.

It is not a de Polignac number, because 520434533 - 2⁶ = 520434469 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 520434496 and 520434505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520431533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260217266 + 260217267.

It is an arithmetic number, because the mean of its divisors is an integer number (260217267).

Almost surely, 2^520434533 is an apocalyptic number.

It is an amenable number.

520434533 is a deficient number, since it is larger than the sum of its proper divisors (1).

520434533 is an equidigital number, since it uses as much as digits as its factorization.

520434533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 29.

The square root of 520434533 is about 22813.0342786750. The cubic root of 520434533 is about 804.3690814091.

Adding to 520434533 its reverse (335434025), we get a palindrome (855868558).

The spelling of 520434533 in words is "five hundred twenty million, four hundred thirty-four thousand, five hundred thirty-three".