405343513 has 4 divisors (see below), whose sum is σ = 422967168. Its totient is φ = 387719860.

The previous prime is 405343493. The next prime is 405343537. The reversal of 405343513 is 315343504.

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 a de Polignac number, because none of the positive numbers 2^k-405343513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405343573) by changing a digit.

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, 8811793 + ... + 8811838.

It is an arithmetic number, because the mean of its divisors is an integer number (105741792).

Almost surely, 2^405343513 is an apocalyptic number.

It is an amenable number.

405343513 is a deficient number, since it is larger than the sum of its proper divisors (17623655).

405343513 is a wasteful number, since it uses less digits than its factorization.

405343513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17623654.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 405343513 is about 20133.1446376367. The cubic root of 405343513 is about 740.0727424230.

Subtracting from 405343513 its reverse (315343504), we obtain a palindrome (90000009).

The spelling of 405343513 in words is "four hundred five million, three hundred forty-three thousand, five hundred thirteen".