18314201 has 2 divisors, whose sum is σ = 18314202. Its totient is φ = 18314200.

The previous prime is 18314189. The next prime is 18314209. The reversal of 18314201 is 10241381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13579225 + 4734976 = 3685^2 + 2176^2 .

It is a cyclic number.

It is not a de Polignac number, because 18314201 - 2⁶ = 18314137 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (18314209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9157100 + 9157101.

It is an arithmetic number, because the mean of its divisors is an integer number (9157101).

Almost surely, 2^18314201 is an apocalyptic number.

It is an amenable number.

18314201 is a deficient number, since it is larger than the sum of its proper divisors (1).

18314201 is an equidigital number, since it uses as much as digits as its factorization.

18314201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 18314201 is about 4279.5094345030. The cubic root of 18314201 is about 263.5902399439.

Adding to 18314201 its reverse (10241381), we get a palindrome (28555582).

The spelling of 18314201 in words is "eighteen million, three hundred fourteen thousand, two hundred one".