11265409 has 2 divisors, whose sum is σ = 11265410. Its totient is φ = 11265408.

The previous prime is 11265403. The next prime is 11265421. The reversal of 11265409 is 90456211.

11265409 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., 7579009 + 3686400 = 2753^2 + 1920^2 .

It is an emirp because it is prime and its reverse (90456211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11265409 - 2¹¹ = 11263361 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11265403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5632704 + 5632705.

It is an arithmetic number, because the mean of its divisors is an integer number (5632705).

Almost surely, 2^11265409 is an apocalyptic number.

It is an amenable number.

11265409 is a deficient number, since it is larger than the sum of its proper divisors (1).

11265409 is an equidigital number, since it uses as much as digits as its factorization.

11265409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 11265409 is about 3356.3982183287. The cubic root of 11265409 is about 224.1724928275.

The spelling of 11265409 in words is "eleven million, two hundred sixty-five thousand, four hundred nine".