10865149 has 2 divisors, whose sum is σ = 10865150. Its totient is φ = 10865148.

The previous prime is 10865147. The next prime is 10865167. The reversal of 10865149 is 94156801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10517049 + 348100 = 3243^2 + 590^2 .

It is an emirp because it is prime and its reverse (94156801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10865149 - 2¹ = 10865147 is a prime.

Together with 10865147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10865143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5432574 + 5432575.

It is an arithmetic number, because the mean of its divisors is an integer number (5432575).

Almost surely, 2^10865149 is an apocalyptic number.

It is an amenable number.

10865149 is a deficient number, since it is larger than the sum of its proper divisors (1).

10865149 is an equidigital number, since it uses as much as digits as its factorization.

10865149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 10865149 is about 3296.2325464081. The cubic root of 10865149 is about 221.4854639402.

The spelling of 10865149 in words is "ten million, eight hundred sixty-five thousand, one hundred forty-nine".