2421504005 has 4 divisors (see below), whose sum is σ = 2905804812. Its totient is φ = 1937203200.

The previous prime is 2421503999. The next prime is 2421504013. The reversal of 2421504005 is 5004051242.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 282811489 + 2138692516 = 16817^2 + 46246^2 .

It is not a de Polignac number, because 2421504005 - 2¹⁰ = 2421502981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 242150396 + ... + 242150405.

It is an arithmetic number, because the mean of its divisors is an integer number (726451203).

Almost surely, 2^2421504005 is an apocalyptic number.

It is an amenable number.

2421504005 is a deficient number, since it is larger than the sum of its proper divisors (484300807).

2421504005 is an equidigital number, since it uses as much as digits as its factorization.

2421504005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484300806.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 2421504005 is about 49208.7797552429. The cubic root of 2421504005 is about 1342.8527634183.

Adding to 2421504005 its reverse (5004051242), we get a palindrome (7425555247).

The spelling of 2421504005 in words is "two billion, four hundred twenty-one million, five hundred four thousand, five".