104201813 has 2 divisors, whose sum is σ = 104201814. Its totient is φ = 104201812.

The previous prime is 104201803. The next prime is 104201827. The reversal of 104201813 is 318102401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79530724 + 24671089 = 8918^2 + 4967^2 .

It is a cyclic number.

It is not a de Polignac number, because 104201813 - 2⁸ = 104201557 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104201803) 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, 52100906 + 52100907.

It is an arithmetic number, because the mean of its divisors is an integer number (52100907).

Almost surely, 2^104201813 is an apocalyptic number.

It is an amenable number.

104201813 is a deficient number, since it is larger than the sum of its proper divisors (1).

104201813 is an equidigital number, since it uses as much as digits as its factorization.

104201813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 104201813 is about 10207.9289280441. The cubic root of 104201813 is about 470.5709268355.

The spelling of 104201813 in words is "one hundred four million, two hundred one thousand, eight hundred thirteen".