98354281 has 2 divisors, whose sum is σ = 98354282. Its totient is φ = 98354280.

The previous prime is 98354257. The next prime is 98354323. The reversal of 98354281 is 18245389.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98327056 + 27225 = 9916^2 + 165^2 .

It is an emirp because it is prime and its reverse (18245389) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98354281 - 2¹³ = 98346089 is a prime.

It is a super-2 number, since 2×98354281² = 19347129182053922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (98354381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49177140 + 49177141.

It is an arithmetic number, because the mean of its divisors is an integer number (49177141).

Almost surely, 2^98354281 is an apocalyptic number.

It is an amenable number.

98354281 is a deficient number, since it is larger than the sum of its proper divisors (1).

98354281 is an equidigital number, since it uses as much as digits as its factorization.

98354281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 40.

The square root of 98354281 is about 9917.3726863520. The cubic root of 98354281 is about 461.5985358819.

The spelling of 98354281 in words is "ninety-eight million, three hundred fifty-four thousand, two hundred eighty-one".