104421613 has 2 divisors, whose sum is σ = 104421614. Its totient is φ = 104421612.

The previous prime is 104421557. The next prime is 104421631. The reversal of 104421613 is 316124401.

Together with next prime (104421631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88397604 + 16024009 = 9402^2 + 4003^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104421613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104421643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52210806 + 52210807.

It is an arithmetic number, because the mean of its divisors is an integer number (52210807).

Almost surely, 2^104421613 is an apocalyptic number.

It is an amenable number.

104421613 is a deficient number, since it is larger than the sum of its proper divisors (1).

104421613 is an equidigital number, since it uses as much as digits as its factorization.

104421613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 104421613 is about 10218.6893973738. The cubic root of 104421613 is about 470.9015635964.

The spelling of 104421613 in words is "one hundred four million, four hundred twenty-one thousand, six hundred thirteen".