9100243 has 4 divisors (see below), whose sum is σ = 9185400. Its totient is φ = 9015088.

The previous prime is 9100211. The next prime is 9100271. The reversal of 9100243 is 3420019.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3420019 = 19 ⋅180001.

It is a cyclic number.

It is not a de Polignac number, because 9100243 - 2⁵ = 9100211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9100243.

It is not an unprimeable number, because it can be changed into a prime (9100843) 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, 42418 + ... + 42631.

It is an arithmetic number, because the mean of its divisors is an integer number (2296350).

Almost surely, 2^9100243 is an apocalyptic number.

9100243 is a deficient number, since it is larger than the sum of its proper divisors (85157).

9100243 is a wasteful number, since it uses less digits than its factorization.

9100243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85156.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 9100243 is about 3016.6609023886. The cubic root of 9100243 is about 208.7778061852. Note that the first 3 decimals are identical.

The spelling of 9100243 in words is "nine million, one hundred thousand, two hundred forty-three".