98097281 has 2 divisors, whose sum is σ = 98097282. Its totient is φ = 98097280.

The previous prime is 98097271. The next prime is 98097283. The reversal of 98097281 is 18279089.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89946256 + 8151025 = 9484^2 + 2855^2 .

It is a cyclic number.

It is not a de Polignac number, because 98097281 - 2¹⁸ = 97835137 is a prime.

It is a super-2 number, since 2×98097281² = 19246153079185922, which contains 22 as substring.

Together with 98097283, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98097283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49048640 + 49048641.

It is an arithmetic number, because the mean of its divisors is an integer number (49048641).

Almost surely, 2^98097281 is an apocalyptic number.

It is an amenable number.

98097281 is a deficient number, since it is larger than the sum of its proper divisors (1).

98097281 is an equidigital number, since it uses as much as digits as its factorization.

98097281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 44.

The square root of 98097281 is about 9904.4071503548. The cubic root of 98097281 is about 461.1961324470.

The spelling of 98097281 in words is "ninety-eight million, ninety-seven thousand, two hundred eighty-one".