520353233 has 2 divisors, whose sum is σ = 520353234. Its totient is φ = 520353232.

The previous prime is 520353227. The next prime is 520353257. The reversal of 520353233 is 332353025.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 519475264 + 877969 = 22792^2 + 937^2 .

It is a cyclic number.

It is not a de Polignac number, because 520353233 - 2²⁶ = 453244369 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (520353203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260176616 + 260176617.

It is an arithmetic number, because the mean of its divisors is an integer number (260176617).

Almost surely, 2^520353233 is an apocalyptic number.

It is an amenable number.

520353233 is a deficient number, since it is larger than the sum of its proper divisors (1).

520353233 is an equidigital number, since it uses as much as digits as its factorization.

520353233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 26.

The square root of 520353233 is about 22811.2523330044. The cubic root of 520353233 is about 804.3271942246.

The spelling of 520353233 in words is "five hundred twenty million, three hundred fifty-three thousand, two hundred thirty-three".