424320005 has 4 divisors (see below), whose sum is σ = 509184012. Its totient is φ = 339456000.

The previous prime is 424319999. The next prime is 424320011. The reversal of 424320005 is 500023424.

424320005 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (424319999) and next prime (424320011).

It can be written as a sum of positive squares in 2 ways, for example, as 89832484 + 334487521 = 9478^2 + 18289^2 .

It is not a de Polignac number, because 424320005 - 2⁶ = 424319941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42431996 + ... + 42432005.

It is an arithmetic number, because the mean of its divisors is an integer number (127296003).

Almost surely, 2^424320005 is an apocalyptic number.

It is an amenable number.

424320005 is a deficient number, since it is larger than the sum of its proper divisors (84864007).

424320005 is an equidigital number, since it uses as much as digits as its factorization.

424320005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84864006.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 424320005 is about 20599.0292246989. The cubic root of 424320005 is about 751.4461017793.

Adding to 424320005 its reverse (500023424), we get a palindrome (924343429).

The spelling of 424320005 in words is "four hundred twenty-four million, three hundred twenty thousand, five".