403040413 has 2 divisors, whose sum is σ = 403040414. Its totient is φ = 403040412.

The previous prime is 403040411. The next prime is 403040423. The reversal of 403040413 is 314040304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 274830084 + 128210329 = 16578^2 + 11323^2 .

It is a cyclic number.

It is not a de Polignac number, because 403040413 - 2¹ = 403040411 is a prime.

It is a super-2 number, since 2×403040413² = 324883149022421138, which contains 22 as substring.

Together with 403040411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403040411) 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, 201520206 + 201520207.

It is an arithmetic number, because the mean of its divisors is an integer number (201520207).

Almost surely, 2^403040413 is an apocalyptic number.

It is an amenable number.

403040413 is a deficient number, since it is larger than the sum of its proper divisors (1).

403040413 is an equidigital number, since it uses as much as digits as its factorization.

403040413 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 403040413 is about 20075.8664321120. The cubic root of 403040413 is about 738.6684192005.

Adding to 403040413 its reverse (314040304), we get a palindrome (717080717).

The spelling of 403040413 in words is "four hundred three million, forty thousand, four hundred thirteen".