424321313 has 6 divisors (see below), whose sum is σ = 459472374. Its totient is φ = 391681056.

The previous prime is 424321297. The next prime is 424321321. The reversal of 424321313 is 313123424.

It can be written as a sum of positive squares in 3 ways, for example, as 4194304 + 420127009 = 2048^2 + 20497^2 .

It is not a de Polignac number, because 424321313 - 2⁴ = 424321297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424321393) 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 5 ways as a sum of consecutive naturals, for example, 1255220 + ... + 1255557.

It is an arithmetic number, because the mean of its divisors is an integer number (76578729).

Almost surely, 2^424321313 is an apocalyptic number.

It is an amenable number.

424321313 is a deficient number, since it is larger than the sum of its proper divisors (35151061).

424321313 is a wasteful number, since it uses less digits than its factorization.

424321313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510803 (or 2510790 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 424321313 is about 20599.0609737434. The cubic root of 424321313 is about 751.4468739092.

Adding to 424321313 its reverse (313123424), we get a palindrome (737444737).

The spelling of 424321313 in words is "four hundred twenty-four million, three hundred twenty-one thousand, three hundred thirteen".