98251 has 2 divisors, whose sum is σ = 98252. Its totient is φ = 98250.

The previous prime is 98227. The next prime is 98257. The reversal of 98251 is 15289.

It is a strong prime.

It is an emirp because it is prime and its reverse (15289) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98251 - 2⁷ = 98123 is a prime.

It is a plaindrome in base 11.

It is not a weakly prime, because it can be changed into another prime (98257) 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, 49125 + 49126.

It is an arithmetic number, because the mean of its divisors is an integer number (49126).

2⁹⁸²⁵¹ is an apocalyptic number.

98251 is a deficient number, since it is larger than the sum of its proper divisors (1).

98251 is an equidigital number, since it uses as much as digits as its factorization.

98251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 25.

The square root of 98251 is about 313.4501555272. The cubic root of 98251 is about 46.1436905718.

The spelling of 98251 in words is "ninety-eight thousand, two hundred fifty-one".