520523033 has 2 divisors, whose sum is σ = 520523034. Its totient is φ = 520523032.

The previous prime is 520523023. The next prime is 520523039. The reversal of 520523033 is 330325025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 389351824 + 131171209 = 19732^2 + 11453^2 .

It is a cyclic number.

It is not a de Polignac number, because 520523033 - 2⁶ = 520522969 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (520523039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260261516 + 260261517.

It is an arithmetic number, because the mean of its divisors is an integer number (260261517).

Almost surely, 2^520523033 is an apocalyptic number.

It is an amenable number.

520523033 is a deficient number, since it is larger than the sum of its proper divisors (1).

520523033 is an equidigital number, since it uses as much as digits as its factorization.

520523033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 23.

The square root of 520523033 is about 22814.9738768205. The cubic root of 520523033 is about 804.4146732011.

Adding to 520523033 its reverse (330325025), we get a palindrome (850848058).

The spelling of 520523033 in words is "five hundred twenty million, five hundred twenty-three thousand, thirty-three".