60566021 has 2 divisors, whose sum is σ = 60566022. Its totient is φ = 60566020.

The previous prime is 60566017. The next prime is 60566027. The reversal of 60566021 is 12066506.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53085796 + 7480225 = 7286^2 + 2735^2 .

It is a cyclic number.

It is not a de Polignac number, because 60566021 - 2² = 60566017 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60566027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30283010 + 30283011.

It is an arithmetic number, because the mean of its divisors is an integer number (30283011).

Almost surely, 2^60566021 is an apocalyptic number.

It is an amenable number.

60566021 is a deficient number, since it is larger than the sum of its proper divisors (1).

60566021 is an equidigital number, since it uses as much as digits as its factorization.

60566021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 60566021 is about 7782.4174264813. The cubic root of 60566021 is about 392.7139672077.

The spelling of 60566021 in words is "sixty million, five hundred sixty-six thousand, twenty-one".