405331341 has 4 divisors (see below), whose sum is σ = 540441792. Its totient is φ = 270220892.

The previous prime is 405331331. The next prime is 405331343. The reversal of 405331341 is 143133504.

It is a happy number.

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 405331341 - 2¹⁵ = 405298573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405331343) 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, 67555221 + ... + 67555226.

It is an arithmetic number, because the mean of its divisors is an integer number (135110448).

Almost surely, 2^405331341 is an apocalyptic number.

It is an amenable number.

405331341 is a deficient number, since it is larger than the sum of its proper divisors (135110451).

405331341 is a wasteful number, since it uses less digits than its factorization.

405331341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135110450.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 405331341 is about 20132.8423477660. The cubic root of 405331341 is about 740.0653345042.

Adding to 405331341 its reverse (143133504), we get a palindrome (548464845).

The spelling of 405331341 in words is "four hundred five million, three hundred thirty-one thousand, three hundred forty-one".