5121438001 has 4 divisors (see below), whose sum is σ = 5121626112. Its totient is φ = 5121249892.

The previous prime is 5121437989. The next prime is 5121438017. The reversal of 5121438001 is 1008341215.

5121438001 is digitally balanced in base 3, 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5121438001 - 2¹⁹ = 5120913713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5121438031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44521 + ... + 110566.

It is an arithmetic number, because the mean of its divisors is an integer number (1280406528).

Almost surely, 2^5121438001 is an apocalyptic number.

It is an amenable number.

5121438001 is a deficient number, since it is larger than the sum of its proper divisors (188111).

5121438001 is a wasteful number, since it uses less digits than its factorization.

5121438001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188110.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 5121438001 is about 71564.2229120110. Note that the first 3 decimals coincide. The cubic root of 5121438001 is about 1723.7090952152.

Adding to 5121438001 its reverse (1008341215), we get a palindrome (6129779216).

The spelling of 5121438001 in words is "five billion, one hundred twenty-one million, four hundred thirty-eight thousand, one".