405013 has 4 divisors (see below), whose sum is σ = 462880. Its totient is φ = 347148.

The previous prime is 405011. The next prime is 405029. The reversal of 405013 is 310504.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 405013 - 2¹ = 405011 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 404984 and 405002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405011) 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, 28923 + ... + 28936.

It is an arithmetic number, because the mean of its divisors is an integer number (115720).

2⁴⁰⁵⁰¹³ is an apocalyptic number.

It is an amenable number.

405013 is a deficient number, since it is larger than the sum of its proper divisors (57867).

405013 is an equidigital number, since it uses as much as digits as its factorization.

405013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57866.

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

The square root of 405013 is about 636.4063167505. The cubic root of 405013 is about 73.9871538451.

Adding to 405013 its reverse (310504), we get a palindrome (715517).

It can be divided in two parts, 40501 and 3, that added together give a palindrome (40504).

The spelling of 405013 in words is "four hundred five thousand, thirteen".