405103 has 4 divisors (see below), whose sum is σ = 414568. Its totient is φ = 395640.

The previous prime is 405091. The next prime is 405143. The reversal of 405103 is 301504.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 405103 - 2⁵ = 405071 is a prime.

It is a Duffinian number.

405103 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4668 + ... + 4753.

It is an arithmetic number, because the mean of its divisors is an integer number (103642).

2⁴⁰⁵¹⁰³ is an apocalyptic number.

405103 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

405103 is a deficient number, since it is larger than the sum of its proper divisors (9465).

405103 is an equidigital number, since it uses as much as digits as its factorization.

405103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9464.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 405103 is about 636.4770223661. The cubic root of 405103 is about 73.9926337932.

Adding to 405103 its reverse (301504), we get a palindrome (706607).

The spelling of 405103 in words is "four hundred five thousand, one hundred three".