406441313 has 4 divisors (see below), whose sum is σ = 407411760. Its totient is φ = 405470868.

The previous prime is 406441307. The next prime is 406441327. The reversal of 406441313 is 313144604.

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 406441313 - 2²⁰ = 405392737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (406441813) 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, 484595 + ... + 485432.

It is an arithmetic number, because the mean of its divisors is an integer number (101852940).

Almost surely, 2^406441313 is an apocalyptic number.

It is an amenable number.

406441313 is a deficient number, since it is larger than the sum of its proper divisors (970447).

406441313 is an equidigital number, since it uses as much as digits as its factorization.

406441313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970446.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 406441313 is about 20160.3897035747. The cubic root of 406441313 is about 740.7402581410.

Adding to 406441313 its reverse (313144604), we get a palindrome (719585917).

The spelling of 406441313 in words is "four hundred six million, four hundred forty-one thousand, three hundred thirteen".