515233 has 2 divisors, whose sum is σ = 515234. Its totient is φ = 515232.

The previous prime is 515231. The next prime is 515237. The reversal of 515233 is 332515.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 471969 + 43264 = 687^2 + 208^2 .

It is a cyclic number.

It is not a de Polignac number, because 515233 - 2¹ = 515231 is a prime.

Together with 515231, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 515233.

It is not a weakly prime, because it can be changed into another prime (515231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257616 + 257617.

It is an arithmetic number, because the mean of its divisors is an integer number (257617).

2⁵¹⁵²³³ is an apocalyptic number.

It is an amenable number.

515233 is a deficient number, since it is larger than the sum of its proper divisors (1).

515233 is an equidigital number, since it uses as much as digits as its factorization.

515233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 450, while the sum is 19.

The square root of 515233 is about 717.7973251552. The cubic root of 515233 is about 80.1680322342.

Adding to 515233 its reverse (332515), we get a palindrome (847748).

The spelling of 515233 in words is "five hundred fifteen thousand, two hundred thirty-three".