98735281 has 2 divisors, whose sum is σ = 98735282. Its totient is φ = 98735280.

The previous prime is 98735183. The next prime is 98735309. The reversal of 98735281 is 18253789.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55056400 + 43678881 = 7420^2 + 6609^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98735281 is a prime.

It is a super-2 number, since 2×98735281² = 19497311428297922, which contains 22 as substring.

It is equal to p_5692894 and since 98735281 and 5692894 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (98135281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49367640 + 49367641.

It is an arithmetic number, because the mean of its divisors is an integer number (49367641).

Almost surely, 2^98735281 is an apocalyptic number.

It is an amenable number.

98735281 is a deficient number, since it is larger than the sum of its proper divisors (1).

98735281 is an equidigital number, since it uses as much as digits as its factorization.

98735281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 43.

The square root of 98735281 is about 9936.5628363132. The cubic root of 98735281 is about 462.1938071701.

The spelling of 98735281 in words is "ninety-eight million, seven hundred thirty-five thousand, two hundred eighty-one".