505612223 has 2 divisors, whose sum is σ = 505612224. Its totient is φ = 505612222.

The previous prime is 505612207. The next prime is 505612231. The reversal of 505612223 is 322216505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505612223 - 2⁴ = 505612207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505612192 and 505612201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505612253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252806111 + 252806112.

It is an arithmetic number, because the mean of its divisors is an integer number (252806112).

Almost surely, 2^505612223 is an apocalyptic number.

505612223 is a deficient number, since it is larger than the sum of its proper divisors (1).

505612223 is an equidigital number, since it uses as much as digits as its factorization.

505612223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 505612223 is about 22485.8227112107. The cubic root of 505612223 is about 796.6591002201.

Adding to 505612223 its reverse (322216505), we get a palindrome (827828728).

The spelling of 505612223 in words is "five hundred five million, six hundred twelve thousand, two hundred twenty-three".