18232325 has 6 divisors (see below), whose sum is σ = 22608114. Its totient is φ = 14585840.

The previous prime is 18232289. The next prime is 18232327. The reversal of 18232325 is 52323281.

It can be written as a sum of positive squares in 3 ways, for example, as 101761 + 18130564 = 319^2 + 4258^2 .

It is not a de Polignac number, because 18232325 - 2⁸ = 18232069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18232294 and 18232303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18232327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 364622 + ... + 364671.

It is an arithmetic number, because the mean of its divisors is an integer number (3768019).

Almost surely, 2^18232325 is an apocalyptic number.

It is an amenable number.

18232325 is a deficient number, since it is larger than the sum of its proper divisors (4375789).

18232325 is an equidigital number, since it uses as much as digits as its factorization.

18232325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729303 (or 729298 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 18232325 is about 4269.9326692584. The cubic root of 18232325 is about 263.1968483915.

The spelling of 18232325 in words is "eighteen million, two hundred thirty-two thousand, three hundred twenty-five".