413540405 has 4 divisors (see below), whose sum is σ = 496248492. Its totient is φ = 330832320.

The previous prime is 413540399. The next prime is 413540443. The reversal of 413540405 is 504045314.

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

It can be written as a sum of positive squares in 2 ways, for example, as 206381956 + 207158449 = 14366^2 + 14393^2 .

It is a de Polignac number, because none of the positive numbers 2^k-413540405 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41354036 + ... + 41354045.

It is an arithmetic number, because the mean of its divisors is an integer number (124062123).

Almost surely, 2^413540405 is an apocalyptic number.

It is an amenable number.

413540405 is a deficient number, since it is larger than the sum of its proper divisors (82708087).

413540405 is an equidigital number, since it uses as much as digits as its factorization.

413540405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82708086.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 413540405 is about 20335.6928822207. The cubic root of 413540405 is about 745.0280937711.

Adding to 413540405 its reverse (504045314), we get a palindrome (917585719).

The spelling of 413540405 in words is "four hundred thirteen million, five hundred forty thousand, four hundred five".