60006521 has 2 divisors, whose sum is σ = 60006522. Its totient is φ = 60006520.

The previous prime is 60006497. The next prime is 60006523. The reversal of 60006521 is 12560006.

60006521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45414121 + 14592400 = 6739^2 + 3820^2 .

It is a cyclic number.

It is not a de Polignac number, because 60006521 - 2¹⁰ = 60005497 is a prime.

Together with 60006523, 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 = 60006493 and 60006502.

It is not a weakly prime, because it can be changed into another prime (60006523) 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, 30003260 + 30003261.

It is an arithmetic number, because the mean of its divisors is an integer number (30003261).

Almost surely, 2^60006521 is an apocalyptic number.

It is an amenable number.

60006521 is a deficient number, since it is larger than the sum of its proper divisors (1).

60006521 is an equidigital number, since it uses as much as digits as its factorization.

60006521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 60006521 is about 7746.3876097185. The cubic root of 60006521 is about 391.5009462986.

Adding to 60006521 its reverse (12560006), we get a palindrome (72566527).

It can be divided in two parts, 6000 and 6521, that added together give a palindrome (12521).

The spelling of 60006521 in words is "sixty million, six thousand, five hundred twenty-one".