5124203221 has 2 divisors, whose sum is σ = 5124203222. Its totient is φ = 5124203220.

The previous prime is 5124203207. The next prime is 5124203237. The reversal of 5124203221 is 1223024215.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5031774225 + 92428996 = 70935^2 + 9614^2 .

It is a cyclic number.

It is not a de Polignac number, because 5124203221 - 2⁹ = 5124202709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5124203192 and 5124203201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5124206221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2562101610 + 2562101611.

It is an arithmetic number, because the mean of its divisors is an integer number (2562101611).

Almost surely, 2^5124203221 is an apocalyptic number.

It is an amenable number.

5124203221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5124203221 is an equidigital number, since it uses as much as digits as its factorization.

5124203221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 5124203221 is about 71583.5401541444. The cubic root of 5124203221 is about 1724.0192670376.

Adding to 5124203221 its reverse (1223024215), we get a palindrome (6347227436).

The spelling of 5124203221 in words is "five billion, one hundred twenty-four million, two hundred three thousand, two hundred twenty-one".