5023210221 has 14 divisors (see below), whose sum is σ = 7531371150. Its totient is φ = 3348806328.

The previous prime is 5023210219. The next prime is 5023210223. The reversal of 5023210221 is 1220123205.

It is an interprime number because it is at equal distance from previous prime (5023210219) and next prime (5023210223).

It can be written as a sum of positive squares in only one way, i.e., 4112015625 + 911194596 = 64125^2 + 30186^2 .

It is not a de Polignac number, because 5023210221 - 2¹ = 5023210219 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5023210194 and 5023210203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5023210223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 3444546 + ... + 3446003.

Almost surely, 2^5023210221 is an apocalyptic number.

It is an amenable number.

5023210221 is a deficient number, since it is larger than the sum of its proper divisors (2508160929).

5023210221 is an frugal number, since it uses more digits than its factorization.

5023210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6890567 (or 6890552 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 5023210221 is about 70874.6091417794. The cubic root of 5023210221 is about 1712.6177910062.

Adding to 5023210221 its reverse (1220123205), we get a palindrome (6243333426).

The spelling of 5023210221 in words is "five billion, twenty-three million, two hundred ten thousand, two hundred twenty-one".