518315341 has 2 divisors, whose sum is σ = 518315342. Its totient is φ = 518315340.

The previous prime is 518315323. The next prime is 518315393. The reversal of 518315341 is 143513815.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 338192100 + 180123241 = 18390^2 + 13421^2 .

It is a cyclic number.

It is not a de Polignac number, because 518315341 - 2¹³ = 518307149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (518315641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259157670 + 259157671.

It is an arithmetic number, because the mean of its divisors is an integer number (259157671).

Almost surely, 2^518315341 is an apocalyptic number.

It is an amenable number.

518315341 is a deficient number, since it is larger than the sum of its proper divisors (1).

518315341 is an equidigital number, since it uses as much as digits as its factorization.

518315341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 31.

The square root of 518315341 is about 22766.5399435224. The cubic root of 518315341 is about 803.2758081468.

The spelling of 518315341 in words is "five hundred eighteen million, three hundred fifteen thousand, three hundred forty-one".