10194091 has 2 divisors, whose sum is σ = 10194092. Its totient is φ = 10194090.

The previous prime is 10194077. The next prime is 10194103. The reversal of 10194091 is 19049101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10194091 - 2¹¹ = 10192043 is a prime.

It is not a weakly prime, because it can be changed into another prime (10194001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5097045 + 5097046.

It is an arithmetic number, because the mean of its divisors is an integer number (5097046).

Almost surely, 2^10194091 is an apocalyptic number.

10194091 is a deficient number, since it is larger than the sum of its proper divisors (1).

10194091 is an equidigital number, since it uses as much as digits as its factorization.

10194091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 10194091 is about 3192.8186606821. The cubic root of 10194091 is about 216.8284017905.

The spelling of 10194091 in words is "ten million, one hundred ninety-four thousand, ninety-one".