405330103 has 2 divisors, whose sum is σ = 405330104. Its totient is φ = 405330102.

The previous prime is 405330089. The next prime is 405330143. The reversal of 405330103 is 301033504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 405330103 - 2⁹ = 405329591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405330143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202665051 + 202665052.

It is an arithmetic number, because the mean of its divisors is an integer number (202665052).

Almost surely, 2^405330103 is an apocalyptic number.

405330103 is a deficient number, since it is larger than the sum of its proper divisors (1).

405330103 is an equidigital number, since it uses as much as digits as its factorization.

405330103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 405330103 is about 20132.8116019596. The cubic root of 405330103 is about 740.0645810450.

Adding to 405330103 its reverse (301033504), we get a palindrome (706363607).

The spelling of 405330103 in words is "four hundred five million, three hundred thirty thousand, one hundred three".