10191289 has 2 divisors, whose sum is σ = 10191290. Its totient is φ = 10191288.

The previous prime is 10191287. The next prime is 10191299. The reversal of 10191289 is 98219101.

10191289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8732025 + 1459264 = 2955^2 + 1208^2 .

It is an emirp because it is prime and its reverse (98219101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10191289 - 2¹ = 10191287 is a prime.

Together with 10191287, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 10191289.

It is not a weakly prime, because it can be changed into another prime (10191287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5095644 + 5095645.

It is an arithmetic number, because the mean of its divisors is an integer number (5095645).

Almost surely, 2^10191289 is an apocalyptic number.

It is an amenable number.

10191289 is a deficient number, since it is larger than the sum of its proper divisors (1).

10191289 is an equidigital number, since it uses as much as digits as its factorization.

10191289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 31.

The square root of 10191289 is about 3192.3798332905. The cubic root of 10191289 is about 216.8085337822.

The spelling of 10191289 in words is "ten million, one hundred ninety-one thousand, two hundred eighty-nine".