98286257 has 2 divisors, whose sum is σ = 98286258. Its totient is φ = 98286256.

The previous prime is 98286217. The next prime is 98286277. The reversal of 98286257 is 75268289.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93624976 + 4661281 = 9676^2 + 2159^2 .

It is an emirp because it is prime and its reverse (75268289) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98286257 - 2¹² = 98282161 is a prime.

It is not a weakly prime, because it can be changed into another prime (98286217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49143128 + 49143129.

It is an arithmetic number, because the mean of its divisors is an integer number (49143129).

Almost surely, 2^98286257 is an apocalyptic number.

It is an amenable number.

98286257 is a deficient number, since it is larger than the sum of its proper divisors (1).

98286257 is an equidigital number, since it uses as much as digits as its factorization.

98286257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 47.

The square root of 98286257 is about 9913.9425558150. The cubic root of 98286257 is about 461.4920940806.

The spelling of 98286257 in words is "ninety-eight million, two hundred eighty-six thousand, two hundred fifty-seven".