518472287 has 2 divisors, whose sum is σ = 518472288. Its totient is φ = 518472286.

The previous prime is 518472271. The next prime is 518472301. The reversal of 518472287 is 782274815.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 518472287 - 2⁴ = 518472271 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (518472587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259236143 + 259236144.

It is an arithmetic number, because the mean of its divisors is an integer number (259236144).

Almost surely, 2^518472287 is an apocalyptic number.

518472287 is a deficient number, since it is larger than the sum of its proper divisors (1).

518472287 is an equidigital number, since it uses as much as digits as its factorization.

518472287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 250880, while the sum is 44.

The square root of 518472287 is about 22769.9865393021. The cubic root of 518472287 is about 803.3568773290.

The spelling of 518472287 in words is "five hundred eighteen million, four hundred seventy-two thousand, two hundred eighty-seven".