505163333 has 2 divisors, whose sum is σ = 505163334. Its totient is φ = 505163332.

The previous prime is 505163327. The next prime is 505163341. The reversal of 505163333 is 333361505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 497423809 + 7739524 = 22303^2 + 2782^2 .

It is a cyclic number.

It is not a de Polignac number, because 505163333 - 2⁸ = 505163077 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 505163296 and 505163305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505163033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252581666 + 252581667.

It is an arithmetic number, because the mean of its divisors is an integer number (252581667).

Almost surely, 2^505163333 is an apocalyptic number.

It is an amenable number.

505163333 is a deficient number, since it is larger than the sum of its proper divisors (1).

505163333 is an equidigital number, since it uses as much as digits as its factorization.

505163333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12150, while the sum is 29.

The square root of 505163333 is about 22475.8388719976. The cubic root of 505163333 is about 796.4232685092.

The spelling of 505163333 in words is "five hundred five million, one hundred sixty-three thousand, three hundred thirty-three".