505255193 has 2 divisors, whose sum is σ = 505255194. Its totient is φ = 505255192.

The previous prime is 505255187. The next prime is 505255199. The reversal of 505255193 is 391552505.

It is a balanced prime because it is at equal distance from previous prime (505255187) and next prime (505255199).

It can be written as a sum of positive squares in only one way, i.e., 498762889 + 6492304 = 22333^2 + 2548^2 .

It is a cyclic number.

It is not a de Polignac number, because 505255193 - 2⁶ = 505255129 is a prime.

It is equal to p_26617607 and since 505255193 and 26617607 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (505255199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252627596 + 252627597.

It is an arithmetic number, because the mean of its divisors is an integer number (252627597).

Almost surely, 2^505255193 is an apocalyptic number.

It is an amenable number.

505255193 is a deficient number, since it is larger than the sum of its proper divisors (1).

505255193 is an equidigital number, since it uses as much as digits as its factorization.

505255193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33750, while the sum is 35.

The square root of 505255193 is about 22477.8823068366. The cubic root of 505255193 is about 796.4715400302.

The spelling of 505255193 in words is "five hundred five million, two hundred fifty-five thousand, one hundred ninety-three".