18324941 has 2 divisors, whose sum is σ = 18324942. Its totient is φ = 18324940.

The previous prime is 18324931. The next prime is 18324947. The reversal of 18324941 is 14942381.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14600041 + 3724900 = 3821^2 + 1930^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18324941 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18324898 and 18324907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18324947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9162470 + 9162471.

It is an arithmetic number, because the mean of its divisors is an integer number (9162471).

Almost surely, 2^18324941 is an apocalyptic number.

It is an amenable number.

18324941 is a deficient number, since it is larger than the sum of its proper divisors (1).

18324941 is an equidigital number, since it uses as much as digits as its factorization.

18324941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 32.

The square root of 18324941 is about 4280.7640673132. The cubic root of 18324941 is about 263.6417556314.

The spelling of 18324941 in words is "eighteen million, three hundred twenty-four thousand, nine hundred forty-one".