403336013 has 2 divisors, whose sum is σ = 403336014. Its totient is φ = 403336012.

The previous prime is 403336007. The next prime is 403336049. The reversal of 403336013 is 310633304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205005124 + 198330889 = 14318^2 + 14083^2 .

It is a cyclic number.

It is not a de Polignac number, because 403336013 - 2²⁴ = 386558797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 403336013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403336513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201668006 + 201668007.

It is an arithmetic number, because the mean of its divisors is an integer number (201668007).

Almost surely, 2^403336013 is an apocalyptic number.

It is an amenable number.

403336013 is a deficient number, since it is larger than the sum of its proper divisors (1).

403336013 is an equidigital number, since it uses as much as digits as its factorization.

403336013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 23.

The square root of 403336013 is about 20083.2271560126. The cubic root of 403336013 is about 738.8489610835.

Adding to 403336013 its reverse (310633304), we get a palindrome (713969317).

The spelling of 403336013 in words is "four hundred three million, three hundred thirty-six thousand, thirteen".