18382125 has 16 divisors (see below), whose sum is σ = 30588480. Its totient is φ = 9803600.

The previous prime is 18382121. The next prime is 18382127. The reversal of 18382125 is 52128381.

It is not a de Polignac number, because 18382125 - 2² = 18382121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18382092 and 18382101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18382121) 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 15 ways as a sum of consecutive naturals, for example, 24135 + ... + 24884.

It is an arithmetic number, because the mean of its divisors is an integer number (1911780).

Almost surely, 2^18382125 is an apocalyptic number.

18382125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18382125 is a deficient number, since it is larger than the sum of its proper divisors (12206355).

18382125 is an equidigital number, since it uses as much as digits as its factorization.

18382125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49037 (or 49027 counting only the distinct ones).

The product of its digits is 3840, while the sum is 30.

The square root of 18382125 is about 4287.4380461996. The cubic root of 18382125 is about 263.9157071339.

The spelling of 18382125 in words is "eighteen million, three hundred eighty-two thousand, one hundred twenty-five".