520433 has 2 divisors, whose sum is σ = 520434. Its totient is φ = 520432.

The previous prime is 520427. The next prime is 520447. The reversal of 520433 is 334025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 473344 + 47089 = 688^2 + 217^2 .

It is a cyclic number.

It is not a de Polignac number, because 520433 - 2⁶ = 520369 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (520423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260216 + 260217.

It is an arithmetic number, because the mean of its divisors is an integer number (260217).

2⁵²⁰⁴³³ is an apocalyptic number.

It is an amenable number.

520433 is a deficient number, since it is larger than the sum of its proper divisors (1).

520433 is an equidigital number, since it uses as much as digits as its factorization.

520433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 520433 is about 721.4104240999. The cubic root of 520433 is about 80.4368291621.

Adding to 520433 its reverse (334025), we get a palindrome (854458).

The spelling of 520433 in words is "five hundred twenty thousand, four hundred thirty-three".