405344325 has 48 divisors (see below), whose sum is σ = 685241856. Its totient is φ = 211377600.

The previous prime is 405344321. The next prime is 405344333. The reversal of 405344325 is 523443504.

It is not a de Polignac number, because 405344325 - 2² = 405344321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 405344292 and 405344301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405344321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 867742 + ... + 868208.

It is an arithmetic number, because the mean of its divisors is an integer number (14275872).

Almost surely, 2^405344325 is an apocalyptic number.

It is an amenable number.

405344325 is a deficient number, since it is larger than the sum of its proper divisors (279897531).

405344325 is a wasteful number, since it uses less digits than its factorization.

405344325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 405344325 is about 20133.1648033785. The cubic root of 405344325 is about 740.0732366036.

Adding to 405344325 its reverse (523443504), we get a palindrome (928787829).

The spelling of 405344325 in words is "four hundred five million, three hundred forty-four thousand, three hundred twenty-five".