403243201 has 2 divisors, whose sum is σ = 403243202. Its totient is φ = 403243200.

The previous prime is 403243157. The next prime is 403243219. The reversal of 403243201 is 102342304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 316306225 + 86936976 = 17785^2 + 9324^2 .

It is a cyclic number.

It is not a de Polignac number, because 403243201 - 2⁷ = 403243073 is a prime.

It is not a weakly prime, because it can be changed into another prime (403243261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201621600 + 201621601.

It is an arithmetic number, because the mean of its divisors is an integer number (201621601).

Almost surely, 2^403243201 is an apocalyptic number.

It is an amenable number.

403243201 is a deficient number, since it is larger than the sum of its proper divisors (1).

403243201 is an equidigital number, since it uses as much as digits as its factorization.

403243201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 403243201 is about 20080.9163386535. The cubic root of 403243201 is about 738.7922843440.

Adding to 403243201 its reverse (102342304), we get a palindrome (505585505).

The spelling of 403243201 in words is "four hundred three million, two hundred forty-three thousand, two hundred one".