405234313 has 8 divisors (see below), whose sum is σ = 457318080. Its totient is φ = 355691280.

The previous prime is 405234293. The next prime is 405234331. The reversal of 405234313 is 313432504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 405234313 - 2¹⁷ = 405103241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405234353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 634845 + ... + 635482.

It is an arithmetic number, because the mean of its divisors is an integer number (57164760).

Almost surely, 2^405234313 is an apocalyptic number.

It is an amenable number.

405234313 is a deficient number, since it is larger than the sum of its proper divisors (52083767).

405234313 is a wasteful number, since it uses less digits than its factorization.

405234313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270367.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 405234313 is about 20130.4325090148. The cubic root of 405234313 is about 740.0062776434.

Adding to 405234313 its reverse (313432504), we get a palindrome (718666817).

The spelling of 405234313 in words is "four hundred five million, two hundred thirty-four thousand, three hundred thirteen".