98421133 has 2 divisors, whose sum is σ = 98421134. Its totient is φ = 98421132.

The previous prime is 98421131. The next prime is 98421173. The reversal of 98421133 is 33112489.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98148649 + 272484 = 9907^2 + 522^2 .

It is a cyclic number.

It is not a de Polignac number, because 98421133 - 2¹ = 98421131 is a prime.

Together with 98421131, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 98421095 and 98421104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98421131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49210566 + 49210567.

It is an arithmetic number, because the mean of its divisors is an integer number (49210567).

Almost surely, 2^98421133 is an apocalyptic number.

It is an amenable number.

98421133 is a deficient number, since it is larger than the sum of its proper divisors (1).

98421133 is an equidigital number, since it uses as much as digits as its factorization.

98421133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 31.

The square root of 98421133 is about 9920.7425629335. The cubic root of 98421133 is about 461.7030959682.

The spelling of 98421133 in words is "ninety-eight million, four hundred twenty-one thousand, one hundred thirty-three".