518158141 has 2 divisors, whose sum is σ = 518158142. Its totient is φ = 518158140.

The previous prime is 518158103. The next prime is 518158153. The reversal of 518158141 is 141851815.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 436183225 + 81974916 = 20885^2 + 9054^2 .

It is a cyclic number.

It is not a de Polignac number, because 518158141 - 2⁷ = 518158013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 518158097 and 518158106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (518158241) 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, 259079070 + 259079071.

It is an arithmetic number, because the mean of its divisors is an integer number (259079071).

Almost surely, 2^518158141 is an apocalyptic number.

It is an amenable number.

518158141 is a deficient number, since it is larger than the sum of its proper divisors (1).

518158141 is an equidigital number, since it uses as much as digits as its factorization.

518158141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6400, while the sum is 34.

The square root of 518158141 is about 22763.0872466808. The cubic root of 518158141 is about 803.1945913565.

The spelling of 518158141 in words is "five hundred eighteen million, one hundred fifty-eight thousand, one hundred forty-one".