98005961 has 2 divisors, whose sum is σ = 98005962. Its totient is φ = 98005960.

The previous prime is 98005927. The next prime is 98005991. The reversal of 98005961 is 16950089.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66015625 + 31990336 = 8125^2 + 5656^2 .

It is a cyclic number.

It is not a de Polignac number, because 98005961 - 2¹⁰ = 98004937 is a prime.

It is not a weakly prime, because it can be changed into another prime (98005991) 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, 49002980 + 49002981.

It is an arithmetic number, because the mean of its divisors is an integer number (49002981).

Almost surely, 2^98005961 is an apocalyptic number.

It is an amenable number.

98005961 is a deficient number, since it is larger than the sum of its proper divisors (1).

98005961 is an equidigital number, since it uses as much as digits as its factorization.

98005961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 98005961 is about 9899.7960079994. The cubic root of 98005961 is about 461.0529769111.

The spelling of 98005961 in words is "ninety-eight million, five thousand, nine hundred sixty-one".