18480097 has 4 divisors (see below), whose sum is σ = 18510016. Its totient is φ = 18450180.

The previous prime is 18480089. The next prime is 18480101. The reversal of 18480097 is 79008481.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79008481 = 61 ⋅1295221.

It is a cyclic number.

It is not a de Polignac number, because 18480097 - 2³ = 18480089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18480997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14013 + ... + 15274.

It is an arithmetic number, because the mean of its divisors is an integer number (4627504).

Almost surely, 2^18480097 is an apocalyptic number.

It is an amenable number.

18480097 is a deficient number, since it is larger than the sum of its proper divisors (29919).

18480097 is an equidigital number, since it uses as much as digits as its factorization.

18480097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29918.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 18480097 is about 4298.8483341472. The cubic root of 18480097 is about 264.3837442314.

The spelling of 18480097 in words is "eighteen million, four hundred eighty thousand, ninety-seven".