104506189 has 2 divisors, whose sum is σ = 104506190. Its totient is φ = 104506188.

The previous prime is 104506187. The next prime is 104506201. The reversal of 104506189 is 981605401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78322500 + 26183689 = 8850^2 + 5117^2 .

It is a cyclic number.

It is not a de Polignac number, because 104506189 - 2¹ = 104506187 is a prime.

Together with 104506187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104506183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52253094 + 52253095.

It is an arithmetic number, because the mean of its divisors is an integer number (52253095).

Almost surely, 2^104506189 is an apocalyptic number.

It is an amenable number.

104506189 is a deficient number, since it is larger than the sum of its proper divisors (1).

104506189 is an equidigital number, since it uses as much as digits as its factorization.

104506189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 104506189 is about 10222.8268595335. The cubic root of 104506189 is about 471.0286644323.

The spelling of 104506189 in words is "one hundred four million, five hundred six thousand, one hundred eighty-nine".