99250193 has 4 divisors (see below), whose sum is σ = 113428800. Its totient is φ = 85071588.

The previous prime is 99250187. The next prime is 99250201. The reversal of 99250193 is 39105299.

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: 39105299 = 557 ⋅70207.

It is not a de Polignac number, because 99250193 - 2¹⁰ = 99249169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99250153) 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, 7089293 + ... + 7089306.

It is an arithmetic number, because the mean of its divisors is an integer number (28357200).

Almost surely, 2^99250193 is an apocalyptic number.

It is an amenable number.

99250193 is a deficient number, since it is larger than the sum of its proper divisors (14178607).

99250193 is a wasteful number, since it uses less digits than its factorization.

99250193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14178606.

The product of its (nonzero) digits is 21870, while the sum is 38.

The square root of 99250193 is about 9962.4391089733. The cubic root of 99250193 is about 462.9958731227.

The spelling of 99250193 in words is "ninety-nine million, two hundred fifty thousand, one hundred ninety-three".