9018473 has 2 divisors, whose sum is σ = 9018474. Its totient is φ = 9018472.

The previous prime is 9018431. The next prime is 9018479. The reversal of 9018473 is 3748109.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6744409 + 2274064 = 2597^2 + 1508^2 .

It is a cyclic number.

It is not a de Polignac number, because 9018473 - 2⁶ = 9018409 is a prime.

It is not a weakly prime, because it can be changed into another prime (9018479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4509236 + 4509237.

It is an arithmetic number, because the mean of its divisors is an integer number (4509237).

Almost surely, 2^9018473 is an apocalyptic number.

It is an amenable number.

9018473 is a deficient number, since it is larger than the sum of its proper divisors (1).

9018473 is an equidigital number, since it uses as much as digits as its factorization.

9018473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 9018473 is about 3003.0772550835. The cubic root of 9018473 is about 208.1506012990.

The spelling of 9018473 in words is "nine million, eighteen thousand, four hundred seventy-three".