5206220621 has 16 divisors (see below), whose sum is σ = 6241847040. Its totient is φ = 4247900160.

The previous prime is 5206220611. The next prime is 5206220623. The reversal of 5206220621 is 1260226025.

It is not a de Polignac number, because 5206220621 - 2⁶ = 5206220557 is a prime.

It is a super-3 number, since 3×5206220621³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5206220623) 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 15 ways as a sum of consecutive naturals, for example, 166196 + ... + 195021.

It is an arithmetic number, because the mean of its divisors is an integer number (390115440).

Almost surely, 2^5206220621 is an apocalyptic number.

It is an amenable number.

5206220621 is a deficient number, since it is larger than the sum of its proper divisors (1035626419).

5206220621 is a wasteful number, since it uses less digits than its factorization.

5206220621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361324.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 5206220621 is about 72154.1448636182. The cubic root of 5206220621 is about 1733.1687745116.

Adding to 5206220621 its reverse (1260226025), we get a palindrome (6466446646).

The spelling of 5206220621 in words is "five billion, two hundred six million, two hundred twenty thousand, six hundred twenty-one".