505875113 has 2 divisors, whose sum is σ = 505875114. Its totient is φ = 505875112.

The previous prime is 505875109. The next prime is 505875119. The reversal of 505875113 is 311578505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 275958544 + 229916569 = 16612^2 + 15163^2 .

It is a cyclic number.

It is not a de Polignac number, because 505875113 - 2² = 505875109 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (505875119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252937556 + 252937557.

It is an arithmetic number, because the mean of its divisors is an integer number (252937557).

Almost surely, 2^505875113 is an apocalyptic number.

It is an amenable number.

505875113 is a deficient number, since it is larger than the sum of its proper divisors (1).

505875113 is an equidigital number, since it uses as much as digits as its factorization.

505875113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 35.

The square root of 505875113 is about 22491.6676349265. The cubic root of 505875113 is about 796.7971489815.

The spelling of 505875113 in words is "five hundred five million, eight hundred seventy-five thousand, one hundred thirteen".