505473233 has 2 divisors, whose sum is σ = 505473234. Its totient is φ = 505473232.

The previous prime is 505473209. The next prime is 505473239. The reversal of 505473233 is 332374505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 272514064 + 232959169 = 16508^2 + 15263^2 .

It is a cyclic number.

It is not a de Polignac number, because 505473233 - 2⁸ = 505472977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 505473233.

It is not a weakly prime, because it can be changed into another prime (505473239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252736616 + 252736617.

It is an arithmetic number, because the mean of its divisors is an integer number (252736617).

Almost surely, 2^505473233 is an apocalyptic number.

It is an amenable number.

505473233 is a deficient number, since it is larger than the sum of its proper divisors (1).

505473233 is an equidigital number, since it uses as much as digits as its factorization.

505473233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 32.

The square root of 505473233 is about 22482.7318847154. The cubic root of 505473233 is about 796.5860944718.

It can be divided in two parts, 5054 and 73233, that added together give a palindrome (78287).

The spelling of 505473233 in words is "five hundred five million, four hundred seventy-three thousand, two hundred thirty-three".