505010113 has 2 divisors, whose sum is σ = 505010114. Its totient is φ = 505010112.

The previous prime is 505010111. The next prime is 505010137. The reversal of 505010113 is 311010505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 486070209 + 18939904 = 22047^2 + 4352^2 .

It is a cyclic number.

It is not a de Polignac number, because 505010113 - 2¹ = 505010111 is a prime.

Together with 505010111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (505010111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252505056 + 252505057.

It is an arithmetic number, because the mean of its divisors is an integer number (252505057).

Almost surely, 2^505010113 is an apocalyptic number.

It is an amenable number.

505010113 is a deficient number, since it is larger than the sum of its proper divisors (1).

505010113 is an equidigital number, since it uses as much as digits as its factorization.

505010113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 505010113 is about 22472.4300644145. The cubic root of 505010113 is about 796.3427398929.

Adding to 505010113 its reverse (311010505), we get a palindrome (816020618).

The spelling of 505010113 in words is "five hundred five million, ten thousand, one hundred thirteen".