98530009 has 2 divisors, whose sum is σ = 98530010. Its totient is φ = 98530008.

The previous prime is 98529931. The next prime is 98530027. The reversal of 98530009 is 90003589.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98307225 + 222784 = 9915^2 + 472^2 .

It is a cyclic number.

It is not a de Polignac number, because 98530009 - 2²⁵ = 64975577 is a prime.

It is not a weakly prime, because it can be changed into another prime (98530099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49265004 + 49265005.

It is an arithmetic number, because the mean of its divisors is an integer number (49265005).

Almost surely, 2^98530009 is an apocalyptic number.

It is an amenable number.

98530009 is a deficient number, since it is larger than the sum of its proper divisors (1).

98530009 is an equidigital number, since it uses as much as digits as its factorization.

98530009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 98530009 is about 9926.2283370876. The cubic root of 98530009 is about 461.8732825262.

The spelling of 98530009 in words is "ninety-eight million, five hundred thirty thousand, nine".