98541109 has 2 divisors, whose sum is σ = 98541110. Its totient is φ = 98541108.

The previous prime is 98541097. The next prime is 98541133. The reversal of 98541109 is 90114589.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84456100 + 14085009 = 9190^2 + 3753^2 .

It is a cyclic number.

It is not a de Polignac number, because 98541109 - 2⁵ = 98541077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98541139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49270554 + 49270555.

It is an arithmetic number, because the mean of its divisors is an integer number (49270555).

Almost surely, 2^98541109 is an apocalyptic number.

It is an amenable number.

98541109 is a deficient number, since it is larger than the sum of its proper divisors (1).

98541109 is an equidigital number, since it uses as much as digits as its factorization.

98541109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 98541109 is about 9926.7874460976. The cubic root of 98541109 is about 461.8906261456.

The spelling of 98541109 in words is "ninety-eight million, five hundred forty-one thousand, one hundred nine".