98105213 has 2 divisors, whose sum is σ = 98105214. Its totient is φ = 98105212.

The previous prime is 98105207. The next prime is 98105291. The reversal of 98105213 is 31250189.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88698724 + 9406489 = 9418^2 + 3067^2 .

It is an emirp because it is prime and its reverse (31250189) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98105213 - 2⁸ = 98104957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98165213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49052606 + 49052607.

It is an arithmetic number, because the mean of its divisors is an integer number (49052607).

Almost surely, 2^98105213 is an apocalyptic number.

It is an amenable number.

98105213 is a deficient number, since it is larger than the sum of its proper divisors (1).

98105213 is an equidigital number, since it uses as much as digits as its factorization.

98105213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 98105213 is about 9904.8075700641. The cubic root of 98105213 is about 461.2085626560.

The spelling of 98105213 in words is "ninety-eight million, one hundred five thousand, two hundred thirteen".