60506221 has 2 divisors, whose sum is σ = 60506222. Its totient is φ = 60506220.

The previous prime is 60506207. The next prime is 60506239. The reversal of 60506221 is 12260506.

60506221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52722121 + 7784100 = 7261^2 + 2790^2 .

It is a cyclic number.

It is not a de Polignac number, because 60506221 - 2²¹ = 58409069 is a prime.

It is a super-2 number, since 2×60506221² = 7322005559401682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 60506192 and 60506201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60506321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30253110 + 30253111.

It is an arithmetic number, because the mean of its divisors is an integer number (30253111).

Almost surely, 2^60506221 is an apocalyptic number.

It is an amenable number.

60506221 is a deficient number, since it is larger than the sum of its proper divisors (1).

60506221 is an equidigital number, since it uses as much as digits as its factorization.

60506221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 60506221 is about 7778.5744837984. The cubic root of 60506221 is about 392.5846756337.

Adding to 60506221 its reverse (12260506), we get a palindrome (72766727).

The spelling of 60506221 in words is "sixty million, five hundred six thousand, two hundred twenty-one".