40321201 has 2 divisors, whose sum is σ = 40321202. Its totient is φ = 40321200.

The previous prime is 40321187. The next prime is 40321207. The reversal of 40321201 is 10212304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31911201 + 8410000 = 5649^2 + 2900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40321201 is a prime.

It is not a weakly prime, because it can be changed into another prime (40321207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20160600 + 20160601.

It is an arithmetic number, because the mean of its divisors is an integer number (20160601).

Almost surely, 2^40321201 is an apocalyptic number.

It is an amenable number.

40321201 is a deficient number, since it is larger than the sum of its proper divisors (1).

40321201 is an equidigital number, since it uses as much as digits as its factorization.

40321201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 40321201 is about 6349.8977157116. The cubic root of 40321201 is about 342.9081599265.

Adding to 40321201 its reverse (10212304), we get a palindrome (50533505).

The spelling of 40321201 in words is "forty million, three hundred twenty-one thousand, two hundred one".