104539289 has 2 divisors, whose sum is σ = 104539290. Its totient is φ = 104539288.

The previous prime is 104539283. The next prime is 104539367. The reversal of 104539289 is 982935401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102313225 + 2226064 = 10115^2 + 1492^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104539289 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104539283) 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, 52269644 + 52269645.

It is an arithmetic number, because the mean of its divisors is an integer number (52269645).

Almost surely, 2^104539289 is an apocalyptic number.

It is an amenable number.

104539289 is a deficient number, since it is larger than the sum of its proper divisors (1).

104539289 is an equidigital number, since it uses as much as digits as its factorization.

104539289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 104539289 is about 10224.4456573449. The cubic root of 104539289 is about 471.0783884509.

The spelling of 104539289 in words is "one hundred four million, five hundred thirty-nine thousand, two hundred eighty-nine".