18475063 has 4 divisors (see below), whose sum is σ = 18524968. Its totient is φ = 18425160.

The previous prime is 18475031. The next prime is 18475081. The reversal of 18475063 is 36057481.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18475063 - 2⁵ = 18475031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18475663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24393 + ... + 25138.

It is an arithmetic number, because the mean of its divisors is an integer number (4631242).

Almost surely, 2^18475063 is an apocalyptic number.

18475063 is a deficient number, since it is larger than the sum of its proper divisors (49905).

18475063 is an equidigital number, since it uses as much as digits as its factorization.

18475063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49904.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 18475063 is about 4298.2627886159. The cubic root of 18475063 is about 264.3597359044.

The spelling of 18475063 in words is "eighteen million, four hundred seventy-five thousand, sixty-three".