99830573 has 2 divisors, whose sum is σ = 99830574. Its totient is φ = 99830572.

The previous prime is 99830561. The next prime is 99830609. The reversal of 99830573 is 37503899.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97081609 + 2748964 = 9853^2 + 1658^2 .

It is an emirp because it is prime and its reverse (37503899) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99830573 - 2¹⁴ = 99814189 is a prime.

It is a super-2 number, since 2×99830573² = 19932286611016658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99830173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49915286 + 49915287.

It is an arithmetic number, because the mean of its divisors is an integer number (49915287).

Almost surely, 2^99830573 is an apocalyptic number.

It is an amenable number.

99830573 is a deficient number, since it is larger than the sum of its proper divisors (1).

99830573 is an equidigital number, since it uses as much as digits as its factorization.

99830573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 99830573 is about 9991.5250587686. The cubic root of 99830573 is about 463.8965983545.

The spelling of 99830573 in words is "ninety-nine million, eight hundred thirty thousand, five hundred seventy-three".