40003241 has 2 divisors, whose sum is σ = 40003242. Its totient is φ = 40003240.

The previous prime is 40003219. The next prime is 40003247. The reversal of 40003241 is 14230004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28847641 + 11155600 = 5371^2 + 3340^2 .

It is a cyclic number.

It is not a de Polignac number, because 40003241 - 2⁶ = 40003177 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (40003247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20001620 + 20001621.

It is an arithmetic number, because the mean of its divisors is an integer number (20001621).

Almost surely, 2^40003241 is an apocalyptic number.

It is an amenable number.

40003241 is a deficient number, since it is larger than the sum of its proper divisors (1).

40003241 is an equidigital number, since it uses as much as digits as its factorization.

40003241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 40003241 is about 6324.8115386943. The cubic root of 40003241 is about 342.0044258060.

Adding to 40003241 its reverse (14230004), we get a palindrome (54233245).

The spelling of 40003241 in words is "forty million, three thousand, two hundred forty-one".