505005233 has 2 divisors, whose sum is σ = 505005234. Its totient is φ = 505005232.

The previous prime is 505005211. The next prime is 505005269. The reversal of 505005233 is 332500505.

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., 257666704 + 247338529 = 16052^2 + 15727^2 .

It is a cyclic number.

It is not a de Polignac number, because 505005233 - 2¹² = 505001137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 505005199 and 505005208.

It is not a weakly prime, because it can be changed into another prime (505005203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252502616 + 252502617.

It is an arithmetic number, because the mean of its divisors is an integer number (252502617).

Almost surely, 2^505005233 is an apocalyptic number.

It is an amenable number.

505005233 is a deficient number, since it is larger than the sum of its proper divisors (1).

505005233 is an equidigital number, since it uses as much as digits as its factorization.

505005233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 505005233 is about 22472.3214866644. The cubic root of 505005233 is about 796.3401748188.

Adding to 505005233 its reverse (332500505), we get a palindrome (837505738).

The spelling of 505005233 in words is "five hundred five million, five thousand, two hundred thirty-three".