104278313 has 2 divisors, whose sum is σ = 104278314. Its totient is φ = 104278312.

The previous prime is 104278309. The next prime is 104278319. The reversal of 104278313 is 313872401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83411689 + 20866624 = 9133^2 + 4568^2 .

It is a cyclic number.

It is not a de Polignac number, because 104278313 - 2² = 104278309 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104278319) 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, 52139156 + 52139157.

It is an arithmetic number, because the mean of its divisors is an integer number (52139157).

Almost surely, 2^104278313 is an apocalyptic number.

It is an amenable number.

104278313 is a deficient number, since it is larger than the sum of its proper divisors (1).

104278313 is an equidigital number, since it uses as much as digits as its factorization.

104278313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 104278313 is about 10211.6753277805. The cubic root of 104278313 is about 470.6860555745.

The spelling of 104278313 in words is "one hundred four million, two hundred seventy-eight thousand, three hundred thirteen".