424004013 has 6 divisors (see below), whose sum is σ = 612450254. Its totient is φ = 282669336.

The previous prime is 424004003. The next prime is 424004023. The reversal of 424004013 is 310400424.

It is an interprime number because it is at equal distance from previous prime (424004003) and next prime (424004023).

It can be written as a sum of positive squares in only one way, i.e., 395134884 + 28869129 = 19878^2 + 5373^2 .

It is not a de Polignac number, because 424004013 - 2⁹ = 424003501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424004003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23555770 + ... + 23555787.

Almost surely, 2^424004013 is an apocalyptic number.

It is an amenable number.

424004013 is a deficient number, since it is larger than the sum of its proper divisors (188446241).

424004013 is a wasteful number, since it uses less digits than its factorization.

424004013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47111563 (or 47111560 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 424004013 is about 20591.3577259976. The cubic root of 424004013 is about 751.2595209586.

Adding to 424004013 its reverse (310400424), we get a palindrome (734404437).

The spelling of 424004013 in words is "four hundred twenty-four million, four thousand, thirteen".