104065613 has 2 divisors, whose sum is σ = 104065614. Its totient is φ = 104065612.

The previous prime is 104065607. The next prime is 104065631. The reversal of 104065613 is 316560401.

Together with next prime (104065631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81956809 + 22108804 = 9053^2 + 4702^2 .

It is a cyclic number.

It is not a de Polignac number, because 104065613 - 2⁴ = 104065597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104065693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52032806 + 52032807.

It is an arithmetic number, because the mean of its divisors is an integer number (52032807).

Almost surely, 2^104065613 is an apocalyptic number.

It is an amenable number.

104065613 is a deficient number, since it is larger than the sum of its proper divisors (1).

104065613 is an equidigital number, since it uses as much as digits as its factorization.

104065613 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 104065613 is about 10201.2554619517. The cubic root of 104065613 is about 470.3658129864.

The spelling of 104065613 in words is "one hundred four million, sixty-five thousand, six hundred thirteen".