99043573 has 2 divisors, whose sum is σ = 99043574. Its totient is φ = 99043572.

The previous prime is 99043537. The next prime is 99043601. The reversal of 99043573 is 37534099.

Together with previous prime (99043537) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92602129 + 6441444 = 9623^2 + 2538^2 .

It is an emirp because it is prime and its reverse (37534099) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99043573 - 2¹⁷ = 98912501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99043673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49521786 + 49521787.

It is an arithmetic number, because the mean of its divisors is an integer number (49521787).

Almost surely, 2^99043573 is an apocalyptic number.

It is an amenable number.

99043573 is a deficient number, since it is larger than the sum of its proper divisors (1).

99043573 is an equidigital number, since it uses as much as digits as its factorization.

99043573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 99043573 is about 9952.0637558247. The cubic root of 99043573 is about 462.6743601658.

The spelling of 99043573 in words is "ninety-nine million, forty-three thousand, five hundred seventy-three".