505403299 has 2 divisors, whose sum is σ = 505403300. Its totient is φ = 505403298.

The previous prime is 505403273. The next prime is 505403317. The reversal of 505403299 is 992304505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505403299 - 2¹¹ = 505401251 is a prime.

It is not a weakly prime, because it can be changed into another prime (505403399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252701649 + 252701650.

It is an arithmetic number, because the mean of its divisors is an integer number (252701650).

Almost surely, 2^505403299 is an apocalyptic number.

505403299 is a deficient number, since it is larger than the sum of its proper divisors (1).

505403299 is an equidigital number, since it uses as much as digits as its factorization.

505403299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 505403299 is about 22481.1765483927. The cubic root of 505403299 is about 796.5493559480.

The spelling of 505403299 in words is "five hundred five million, four hundred three thousand, two hundred ninety-nine".