5000442521 has 4 divisors (see below), whose sum is σ = 5000663844. Its totient is φ = 5000221200.

The previous prime is 5000442511. The next prime is 5000442541. The reversal of 5000442521 is 1252440005.

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 1879656025 + 3120786496 = 43355^2 + 55864^2 .

It is a cyclic number.

It is not a de Polignac number, because 5000442521 - 2³⁰ = 3926700697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5000442511) 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, 72350 + ... + 123431.

It is an arithmetic number, because the mean of its divisors is an integer number (1250165961).

Almost surely, 2^5000442521 is an apocalyptic number.

It is an amenable number.

5000442521 is a deficient number, since it is larger than the sum of its proper divisors (221323).

5000442521 is a wasteful number, since it uses less digits than its factorization.

5000442521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221322.

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

The square root of 5000442521 is about 70713.8071454225. The cubic root of 5000442521 is about 1710.0263918729.

Adding to 5000442521 its reverse (1252440005), we get a palindrome (6252882526).

The spelling of 5000442521 in words is "five billion, four hundred forty-two thousand, five hundred twenty-one".