998532133 has 2 divisors, whose sum is σ = 998532134. Its totient is φ = 998532132.

The previous prime is 998532131. The next prime is 998532149. The reversal of 998532133 is 331235899.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 728028324 + 270503809 = 26982^2 + 16447^2 .

It is a cyclic number.

It is not a de Polignac number, because 998532133 - 2¹ = 998532131 is a prime.

Together with 998532131, it forms a pair of twin primes.

It is equal to p_50776891 and since 998532133 and 50776891 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 998532133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (998532131) 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, 499266066 + 499266067.

It is an arithmetic number, because the mean of its divisors is an integer number (499266067).

Almost surely, 2^998532133 is an apocalyptic number.

It is an amenable number.

998532133 is a deficient number, since it is larger than the sum of its proper divisors (1).

998532133 is an equidigital number, since it uses as much as digits as its factorization.

998532133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 43.

The square root of 998532133 is about 31599.5590633793. The cubic root of 998532133 is about 999.5104714009.

The spelling of 998532133 in words is "nine hundred ninety-eight million, five hundred thirty-two thousand, one hundred thirty-three".