98081801 has 2 divisors, whose sum is σ = 98081802. Its totient is φ = 98081800.

The previous prime is 98081779. The next prime is 98081803. The reversal of 98081801 is 10818089.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96924025 + 1157776 = 9845^2 + 1076^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98081801 is a prime.

Together with 98081803, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98081803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49040900 + 49040901.

It is an arithmetic number, because the mean of its divisors is an integer number (49040901).

Almost surely, 2^98081801 is an apocalyptic number.

It is an amenable number.

98081801 is a deficient number, since it is larger than the sum of its proper divisors (1).

98081801 is an equidigital number, since it uses as much as digits as its factorization.

98081801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 35.

The square root of 98081801 is about 9903.6256492256. The cubic root of 98081801 is about 461.1718718639.

The spelling of 98081801 in words is "ninety-eight million, eighty-one thousand, eight hundred one".