98523281 has 2 divisors, whose sum is σ = 98523282. Its totient is φ = 98523280.

The previous prime is 98523251. The next prime is 98523289. The reversal of 98523281 is 18232589.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62331025 + 36192256 = 7895^2 + 6016^2 .

It is an emirp because it is prime and its reverse (18232589) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98523281 - 2¹⁰ = 98522257 is a prime.

It is a super-2 number, since 2×98523281² = 19413673798009922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (98523289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49261640 + 49261641.

It is an arithmetic number, because the mean of its divisors is an integer number (49261641).

Almost surely, 2^98523281 is an apocalyptic number.

It is an amenable number.

98523281 is a deficient number, since it is larger than the sum of its proper divisors (1).

98523281 is an equidigital number, since it uses as much as digits as its factorization.

98523281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 38.

The square root of 98523281 is about 9925.8894311795. The cubic root of 98523281 is about 461.8627694714.

The spelling of 98523281 in words is "ninety-eight million, five hundred twenty-three thousand, two hundred eighty-one".