518472329 has 2 divisors, whose sum is σ = 518472330. Its totient is φ = 518472328.

The previous prime is 518472301. The next prime is 518472349. The reversal of 518472329 is 923274815.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 513113104 + 5359225 = 22652^2 + 2315^2 .

It is a cyclic number.

It is not a de Polignac number, because 518472329 - 2¹⁶ = 518406793 is a prime.

It is not a weakly prime, because it can be changed into another prime (518472349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259236164 + 259236165.

It is an arithmetic number, because the mean of its divisors is an integer number (259236165).

Almost surely, 2^518472329 is an apocalyptic number.

It is an amenable number.

518472329 is a deficient number, since it is larger than the sum of its proper divisors (1).

518472329 is an equidigital number, since it uses as much as digits as its factorization.

518472329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 41.

The square root of 518472329 is about 22769.9874615688. The cubic root of 518472329 is about 803.3568990215.

The spelling of 518472329 in words is "five hundred eighteen million, four hundred seventy-two thousand, three hundred twenty-nine".