104549999 has 2 divisors, whose sum is σ = 104550000. Its totient is φ = 104549998.

The previous prime is 104549987. The next prime is 104550001. The reversal of 104549999 is 999945401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104549999 is a prime.

Together with 104550001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104549909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52274999 + 52275000.

It is an arithmetic number, because the mean of its divisors is an integer number (52275000).

Almost surely, 2^104549999 is an apocalyptic number.

104549999 is a deficient number, since it is larger than the sum of its proper divisors (1).

104549999 is an equidigital number, since it uses as much as digits as its factorization.

104549999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 50.

The square root of 104549999 is about 10224.9693887072. The cubic root of 104549999 is about 471.0944751531.

The spelling of 104549999 in words is "one hundred four million, five hundred forty-nine thousand, nine hundred ninety-nine".