98010001 has 2 divisors, whose sum is σ = 98010002. Its totient is φ = 98010000.

The previous prime is 98009963. The next prime is 98010013. The reversal of 98010001 is 10001089.

It is a Cunningham number, because it is equal to 9900²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98010000 + 1 = 9900^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 98010001 - 2⁹ = 98009489 is a prime.

It is not a weakly prime, because it can be changed into another prime (98010041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49005000 + 49005001.

It is an arithmetic number, because the mean of its divisors is an integer number (49005001).

Almost surely, 2^98010001 is an apocalyptic number.

It is an amenable number.

98010001 is a deficient number, since it is larger than the sum of its proper divisors (1).

98010001 is an equidigital number, since it uses as much as digits as its factorization.

98010001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 98010001 is about 9900.0000505051. Note that the first 4 decimals coincide. The cubic root of 98010001 is about 461.0593119966.

The spelling of 98010001 in words is "ninety-eight million, ten thousand, one".