18484325 has 6 divisors (see below), whose sum is σ = 22920594. Its totient is φ = 14787440.

The previous prime is 18484309. The next prime is 18484351. The reversal of 18484325 is 52348481.

It can be written as a sum of positive squares in 3 ways, for example, as 88804 + 18395521 = 298^2 + 4289^2 .

It is not a de Polignac number, because 18484325 - 2⁴ = 18484309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 369662 + ... + 369711.

It is an arithmetic number, because the mean of its divisors is an integer number (3820099).

Almost surely, 2^18484325 is an apocalyptic number.

It is an amenable number.

18484325 is a deficient number, since it is larger than the sum of its proper divisors (4436269).

18484325 is an equidigital number, since it uses as much as digits as its factorization.

18484325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739383 (or 739378 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The square root of 18484325 is about 4299.3400656380. The cubic root of 18484325 is about 264.4039051868.

The spelling of 18484325 in words is "eighteen million, four hundred eighty-four thousand, three hundred twenty-five".