5300500021 has 2 divisors, whose sum is σ = 5300500022. Its totient is φ = 5300500020.

The previous prime is 5300500013. The next prime is 5300500031. The reversal of 5300500021 is 1200050035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4460369796 + 840130225 = 66786^2 + 28985^2 .

It is a cyclic number.

It is not a de Polignac number, because 5300500021 - 2³ = 5300500013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5300499968 and 5300500004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5300500031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2650250010 + 2650250011.

It is an arithmetic number, because the mean of its divisors is an integer number (2650250011).

Almost surely, 2^5300500021 is an apocalyptic number.

It is an amenable number.

5300500021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5300500021 is an equidigital number, since it uses as much as digits as its factorization.

5300500021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 5300500021 is about 72804.5329701386. The cubic root of 5300500021 is about 1743.5682293091.

Adding to 5300500021 its reverse (1200050035), we get a palindrome (6500550056).

The spelling of 5300500021 in words is "five billion, three hundred million, five hundred thousand, twenty-one".