413211685 has 4 divisors (see below), whose sum is σ = 495854028. Its totient is φ = 330569344.

The previous prime is 413211613. The next prime is 413211709. The reversal of 413211685 is 586112314.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 586112314 = 2 ⋅293056157.

It can be written as a sum of positive squares in 2 ways, for example, as 94303521 + 318908164 = 9711^2 + 17858^2 .

It is a cyclic number.

It is not a de Polignac number, because 413211685 - 2¹¹ = 413209637 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, 41321164 + ... + 41321173.

It is an arithmetic number, because the mean of its divisors is an integer number (123963507).

Almost surely, 2^413211685 is an apocalyptic number.

It is an amenable number.

413211685 is a deficient number, since it is larger than the sum of its proper divisors (82642343).

413211685 is an equidigital number, since it uses as much as digits as its factorization.

413211685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82642342.

The product of its digits is 5760, while the sum is 31.

The square root of 413211685 is about 20327.6089346485. The cubic root of 413211685 is about 744.8306357945.

Adding to 413211685 its reverse (586112314), we get a palindrome (999323999).

The spelling of 413211685 in words is "four hundred thirteen million, two hundred eleven thousand, six hundred eighty-five".