518051147 has 2 divisors, whose sum is σ = 518051148. Its totient is φ = 518051146.

The previous prime is 518051129. The next prime is 518051153. The reversal of 518051147 is 741150815.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 518051147 - 2¹² = 518047051 is a prime.

It is not a weakly prime, because it can be changed into another prime (518051647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259025573 + 259025574.

It is an arithmetic number, because the mean of its divisors is an integer number (259025574).

Almost surely, 2^518051147 is an apocalyptic number.

518051147 is a deficient number, since it is larger than the sum of its proper divisors (1).

518051147 is an equidigital number, since it uses as much as digits as its factorization.

518051147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 32.

The square root of 518051147 is about 22760.7369608280. The cubic root of 518051147 is about 803.1393039123.

The spelling of 518051147 in words is "five hundred eighteen million, fifty-one thousand, one hundred forty-seven".