99984529 has 2 divisors, whose sum is σ = 99984530. Its totient is φ = 99984528.

The previous prime is 99984491. The next prime is 99984541. The reversal of 99984529 is 92548999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73564929 + 26419600 = 8577^2 + 5140^2 .

It is an emirp because it is prime and its reverse (92548999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99984529 - 2¹⁹ = 99460241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99984529.

It is not a weakly prime, because it can be changed into another prime (99984559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49992264 + 49992265.

It is an arithmetic number, because the mean of its divisors is an integer number (49992265).

Almost surely, 2^99984529 is an apocalyptic number.

It is an amenable number.

99984529 is a deficient number, since it is larger than the sum of its proper divisors (1).

99984529 is an equidigital number, since it uses as much as digits as its factorization.

99984529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2099520, while the sum is 55.

The square root of 99984529 is about 9999.2264200787. The cubic root of 99984529 is about 464.1349454531.

The spelling of 99984529 in words is "ninety-nine million, nine hundred eighty-four thousand, five hundred twenty-nine".