99386533 has 2 divisors, whose sum is σ = 99386534. Its totient is φ = 99386532.

The previous prime is 99386489. The next prime is 99386537. The reversal of 99386533 is 33568399.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98843364 + 543169 = 9942^2 + 737^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99386533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99386537) 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, 49693266 + 49693267.

It is an arithmetic number, because the mean of its divisors is an integer number (49693267).

Almost surely, 2^99386533 is an apocalyptic number.

It is an amenable number.

99386533 is a deficient number, since it is larger than the sum of its proper divisors (1).

99386533 is an equidigital number, since it uses as much as digits as its factorization.

99386533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 524880, while the sum is 46.

The square root of 99386533 is about 9969.2794624286. The cubic root of 99386533 is about 463.2077819449.

It can be divided in two parts, 9938 and 6533, that added together give a triangular number (16471 = T₁₈₁).

The spelling of 99386533 in words is "ninety-nine million, three hundred eighty-six thousand, five hundred thirty-three".