505262113 has 2 divisors, whose sum is σ = 505262114. Its totient is φ = 505262112.

The previous prime is 505262111. The next prime is 505262123. The reversal of 505262113 is 311262505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 502790929 + 2471184 = 22423^2 + 1572^2 .

It is a cyclic number.

It is not a de Polignac number, because 505262113 - 2¹ = 505262111 is a prime.

Together with 505262111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (505262111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252631056 + 252631057.

It is an arithmetic number, because the mean of its divisors is an integer number (252631057).

Almost surely, 2^505262113 is an apocalyptic number.

It is an amenable number.

505262113 is a deficient number, since it is larger than the sum of its proper divisors (1).

505262113 is an equidigital number, since it uses as much as digits as its factorization.

505262113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 505262113 is about 22478.0362354010. The cubic root of 505262113 is about 796.4751761848.

The spelling of 505262113 in words is "five hundred five million, two hundred sixty-two thousand, one hundred thirteen".