60865009 has 2 divisors, whose sum is σ = 60865010. Its totient is φ = 60865008.

The previous prime is 60865003. The next prime is 60865027. The reversal of 60865009 is 90056806.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50367409 + 10497600 = 7097^2 + 3240^2 .

It is a cyclic number.

It is not a de Polignac number, because 60865009 - 2³ = 60865001 is a prime.

It is not a weakly prime, because it can be changed into another prime (60865001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30432504 + 30432505.

It is an arithmetic number, because the mean of its divisors is an integer number (30432505).

Almost surely, 2^60865009 is an apocalyptic number.

It is an amenable number.

60865009 is a deficient number, since it is larger than the sum of its proper divisors (1).

60865009 is an equidigital number, since it uses as much as digits as its factorization.

60865009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 60865009 is about 7801.6029763120. The cubic root of 60865009 is about 393.3591258742.

The spelling of 60865009 in words is "sixty million, eight hundred sixty-five thousand, nine".