5003523421 has 4 divisors (see below), whose sum is σ = 5388409852. Its totient is φ = 4618636992.

The previous prime is 5003523397. The next prime is 5003523451. The reversal of 5003523421 is 1243253005.

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 1023680025 + 3979843396 = 31995^2 + 63086^2 .

It is a cyclic number.

It is not a de Polignac number, because 5003523421 - 2⁵ = 5003523389 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 (5003523451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192443196 + ... + 192443221.

It is an arithmetic number, because the mean of its divisors is an integer number (1347102463).

Almost surely, 2^5003523421 is an apocalyptic number.

It is an amenable number.

5003523421 is a deficient number, since it is larger than the sum of its proper divisors (384886431).

5003523421 is a wasteful number, since it uses less digits than its factorization.

5003523421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384886430.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 5003523421 is about 70735.5880798343. The cubic root of 5003523421 is about 1710.3775167088.

Adding to 5003523421 its reverse (1243253005), we get a palindrome (6246776426).

The spelling of 5003523421 in words is "five billion, three million, five hundred twenty-three thousand, four hundred twenty-one".