518095481 has 2 divisors, whose sum is σ = 518095482. Its totient is φ = 518095480.

The previous prime is 518095427. The next prime is 518095483. The reversal of 518095481 is 184590815.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 461605225 + 56490256 = 21485^2 + 7516^2 .

It is a cyclic number.

It is not a de Polignac number, because 518095481 - 2²⁶ = 450986617 is a prime.

It is a super-2 number, since 2×518095481² = 536845854865242722, which contains 22 as substring.

Together with 518095483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (518095483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259047740 + 259047741.

It is an arithmetic number, because the mean of its divisors is an integer number (259047741).

Almost surely, 2^518095481 is an apocalyptic number.

It is an amenable number.

518095481 is a deficient number, since it is larger than the sum of its proper divisors (1).

518095481 is an equidigital number, since it uses as much as digits as its factorization.

518095481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 41.

The square root of 518095481 is about 22761.7108539758. The cubic root of 518095481 is about 803.1622137238.

The spelling of 518095481 in words is "five hundred eighteen million, ninety-five thousand, four hundred eighty-one".