5021623221 has 8 divisors (see below), whose sum is σ = 7047892320. Its totient is φ = 3171551472.

The previous prime is 5021623213. The next prime is 5021623241. The reversal of 5021623221 is 1223261205.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5021623221 - 2³ = 5021623213 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5021623191 and 5021623200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5021623241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44049270 + ... + 44049383.

It is an arithmetic number, because the mean of its divisors is an integer number (880986540).

Almost surely, 2^5021623221 is an apocalyptic number.

It is an amenable number.

5021623221 is a deficient number, since it is larger than the sum of its proper divisors (2026269099).

5021623221 is a wasteful number, since it uses less digits than its factorization.

5021623221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88098675.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 5021623221 is about 70863.4124284175. The cubic root of 5021623221 is about 1712.4374142755.

Adding to 5021623221 its reverse (1223261205), we get a palindrome (6244884426).

It can be divided in two parts, 50216 and 23221, that added together give a palindrome (73437).

The spelling of 5021623221 in words is "five billion, twenty-one million, six hundred twenty-three thousand, two hundred twenty-one".