505180141 has 2 divisors, whose sum is σ = 505180142. Its totient is φ = 505180140.

The previous prime is 505180127. The next prime is 505180157. The reversal of 505180141 is 141081505.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 503822916 + 1357225 = 22446^2 + 1165^2 .

It is a cyclic number.

It is not a de Polignac number, because 505180141 - 2⁹ = 505179629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505180121) 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, 252590070 + 252590071.

It is an arithmetic number, because the mean of its divisors is an integer number (252590071).

Almost surely, 2^505180141 is an apocalyptic number.

It is an amenable number.

505180141 is a deficient number, since it is larger than the sum of its proper divisors (1).

505180141 is an equidigital number, since it uses as much as digits as its factorization.

505180141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 505180141 is about 22476.2127815164. The cubic root of 505180141 is about 796.4321013842.

The spelling of 505180141 in words is "five hundred five million, one hundred eighty thousand, one hundred forty-one".