10538191 has 4 divisors (see below), whose sum is σ = 10544800. Its totient is φ = 10531584.

The previous prime is 10538183. The next prime is 10538219. The reversal of 10538191 is 19183501.

10538191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 19183501 = 37 ⋅518473.

It is a cyclic number.

It is not a de Polignac number, because 10538191 - 2³ = 10538183 is a prime.

It is a super-2 number, since 2×10538191² = 222106939104962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10538111) 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, 730 + ... + 4648.

It is an arithmetic number, because the mean of its divisors is an integer number (2636200).

Almost surely, 2^10538191 is an apocalyptic number.

10538191 is a deficient number, since it is larger than the sum of its proper divisors (6609).

10538191 is an equidigital number, since it uses as much as digits as its factorization.

10538191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6608.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 10538191 is about 3246.2579996051. The cubic root of 10538191 is about 219.2411249916.

The spelling of 10538191 in words is "ten million, five hundred thirty-eight thousand, one hundred ninety-one".