10170091 has 4 divisors (see below), whose sum is σ = 10418184. Its totient is φ = 9922000.

The previous prime is 10170089. The next prime is 10170101. The reversal of 10170091 is 19007101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19007101 = 491 ⋅38711.

It is not a de Polignac number, because 10170091 - 2¹ = 10170089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10173091) 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, 123985 + ... + 124066.

It is an arithmetic number, because the mean of its divisors is an integer number (2604546).

Almost surely, 2^10170091 is an apocalyptic number.

10170091 is a deficient number, since it is larger than the sum of its proper divisors (248093).

10170091 is an equidigital number, since it uses as much as digits as its factorization.

10170091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248092.

The product of its (nonzero) digits is 63, while the sum is 19.

The square root of 10170091 is about 3189.0580113883. The cubic root of 10170091 is about 216.6581080117.

Adding to 10170091 its reverse (19007101), we get a palindrome (29177192).

The spelling of 10170091 in words is "ten million, one hundred seventy thousand, ninety-one".