11852609 has 2 divisors, whose sum is σ = 11852610. Its totient is φ = 11852608.

The previous prime is 11852591. The next prime is 11852611. The reversal of 11852609 is 90625811.

11852609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11458225 + 394384 = 3385^2 + 628^2 .

It is a cyclic number.

It is not a de Polignac number, because 11852609 - 2¹² = 11848513 is a prime.

It is a Sophie Germain prime.

Together with 11852611, 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 (11852209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5926304 + 5926305.

It is an arithmetic number, because the mean of its divisors is an integer number (5926305).

Almost surely, 2^11852609 is an apocalyptic number.

It is an amenable number.

11852609 is a deficient number, since it is larger than the sum of its proper divisors (1).

11852609 is an equidigital number, since it uses as much as digits as its factorization.

11852609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 11852609 is about 3442.7618273706. The cubic root of 11852609 is about 228.0016479310.

The spelling of 11852609 in words is "eleven million, eight hundred fifty-two thousand, six hundred nine".