98235281 has 2 divisors, whose sum is σ = 98235282. Its totient is φ = 98235280.

The previous prime is 98235251. The next prime is 98235289. The reversal of 98235281 is 18253289.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95863681 + 2371600 = 9791^2 + 1540^2 .

It is an emirp because it is prime and its reverse (18253289) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98235281 is a prime.

It is a super-2 number, since 2×98235281² = 19300340866297922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98235289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49117640 + 49117641.

It is an arithmetic number, because the mean of its divisors is an integer number (49117641).

Almost surely, 2^98235281 is an apocalyptic number.

98235281 is the 4433-rd centered decagonal number.

It is an amenable number.

98235281 is a deficient number, since it is larger than the sum of its proper divisors (1).

98235281 is an equidigital number, since it uses as much as digits as its factorization.

98235281 is an evil number, because the sum of its binary digits is even.

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

The square root of 98235281 is about 9911.3712976560. The cubic root of 98235281 is about 461.4122962534.

It can be divided in two parts, 982 and 35281, that added together give a palindrome (36263).

The spelling of 98235281 in words is "ninety-eight million, two hundred thirty-five thousand, two hundred eighty-one".