11495609 has 2 divisors, whose sum is σ = 11495610. Its totient is φ = 11495608.

The previous prime is 11495599. The next prime is 11495611. The reversal of 11495609 is 90659411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7507600 + 3988009 = 2740^2 + 1997^2 .

It is a cyclic number.

It is not a de Polignac number, because 11495609 - 2⁴ = 11495593 is a prime.

It is a Sophie Germain prime.

Together with 11495611, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11405609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5747804 + 5747805.

It is an arithmetic number, because the mean of its divisors is an integer number (5747805).

Almost surely, 2^11495609 is an apocalyptic number.

It is an amenable number.

11495609 is a deficient number, since it is larger than the sum of its proper divisors (1).

11495609 is an equidigital number, since it uses as much as digits as its factorization.

11495609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 11495609 is about 3390.5175121211. The cubic root of 11495609 is about 225.6891397926.

The spelling of 11495609 in words is "eleven million, four hundred ninety-five thousand, six hundred nine".