60421609 has 2 divisors, whose sum is σ = 60421610. Its totient is φ = 60421608.

The previous prime is 60421597. The next prime is 60421631. The reversal of 60421609 is 90612406.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45522009 + 14899600 = 6747^2 + 3860^2 .

It is a cyclic number.

It is not a de Polignac number, because 60421609 - 2²¹ = 58324457 is a prime.

It is not a weakly prime, because it can be changed into another prime (60421679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30210804 + 30210805.

It is an arithmetic number, because the mean of its divisors is an integer number (30210805).

Almost surely, 2^60421609 is an apocalyptic number.

It is an amenable number.

60421609 is a deficient number, since it is larger than the sum of its proper divisors (1).

60421609 is an equidigital number, since it uses as much as digits as its factorization.

60421609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 60421609 is about 7773.1337953235. The cubic root of 60421609 is about 392.4015932453.

The spelling of 60421609 in words is "sixty million, four hundred twenty-one thousand, six hundred nine".