99453 has 4 divisors (see below), whose sum is σ = 132608. Its totient is φ = 66300.

The previous prime is 99439. The next prime is 99469. The reversal of 99453 is 35499.

99453 is nontrivially palindromic in base 13.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35499 = 3 ⋅11833.

It is not a de Polignac number, because 99453 - 2¹⁰ = 98429 is a prime.

It is a D-number.

It is a Duffinian number.

99453 is an undulating number in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 99453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16573 + ... + 16578.

It is an arithmetic number, because the mean of its divisors is an integer number (33152).

2⁹⁹⁴⁵³ is an apocalyptic number.

It is an amenable number.

99453 is a deficient number, since it is larger than the sum of its proper divisors (33155).

99453 is a wasteful number, since it uses less digits than its factorization.

99453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33154.

The product of its digits is 4860, while the sum is 30.

The square root of 99453 is about 315.3616971035. The cubic root of 99453 is about 46.3311019174.

The spelling of 99453 in words is "ninety-nine thousand, four hundred fifty-three".