5202200621 has 2 divisors, whose sum is σ = 5202200622. Its totient is φ = 5202200620.

The previous prime is 5202200609. The next prime is 5202200623. The reversal of 5202200621 is 1260022025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4676644996 + 525555625 = 68386^2 + 22925^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5202200621 is a prime.

It is a super-2 number, since 2×5202200621² = 54125782602265571282, which contains 22 as substring.

Together with 5202200623, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 5202200593 and 5202200602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5202200623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2601100310 + 2601100311.

It is an arithmetic number, because the mean of its divisors is an integer number (2601100311).

Almost surely, 2^5202200621 is an apocalyptic number.

It is an amenable number.

5202200621 is a deficient number, since it is larger than the sum of its proper divisors (1).

5202200621 is an equidigital number, since it uses as much as digits as its factorization.

5202200621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 5202200621 is about 72126.2824565359. The cubic root of 5202200621 is about 1732.7225690307.

Adding to 5202200621 its reverse (1260022025), we get a palindrome (6462222646).

The spelling of 5202200621 in words is "five billion, two hundred two million, two hundred thousand, six hundred twenty-one".